Basic Math Examples

$(2 a - b + 12 c - 4 d) (2 a - b - 12 c + 4 d)$

Step 1

Expand $(2 a - b + 12 c - 4 d) (2 a - b - 12 c + 4 d)$ by multiplying each term in the first expression by each term in the second expression.

$2 a (2 a) + 2 a (- b) + 2 a (- 12 c) + 2 a (4 d) - b (2 a) - b (- b) - b (- 12 c) - b (4 d) + 12 c (2 a) + 12 c (- b) + 12 c (- 12 c) + 12 c (4 d) - 4 d (2 a) - 4 d (- b) - 4 d (- 12 c) - 4 d (4 d)$

Step 2

Simplify terms.

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Step 2.1

Simplify each term.

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Step 2.1.1

Rewrite using the commutative property of multiplication.

$2 \cdot 2 a \cdot a + 2 a (- b) + 2 a (- 12 c) + 2 a (4 d) - b (2 a) - b (- b) - b (- 12 c) - b (4 d) + 12 c (2 a) + 12 c (- b) + 12 c (- 12 c) + 12 c (4 d) - 4 d (2 a) - 4 d (- b) - 4 d (- 12 c) - 4 d (4 d)$

Step 2.1.2

Multiply $a$ by $a$ by adding the exponents.

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Step 2.1.2.1

Move $a$ .

$2 \cdot 2 (a \cdot a) + 2 a (- b) + 2 a (- 12 c) + 2 a (4 d) - b (2 a) - b (- b) - b (- 12 c) - b (4 d) + 12 c (2 a) + 12 c (- b) + 12 c (- 12 c) + 12 c (4 d) - 4 d (2 a) - 4 d (- b) - 4 d (- 12 c) - 4 d (4 d)$

Step 2.1.2.2

Multiply $a$ by $a$ .

$2 \cdot 2 a^{2} + 2 a (- b) + 2 a (- 12 c) + 2 a (4 d) - b (2 a) - b (- b) - b (- 12 c) - b (4 d) + 12 c (2 a) + 12 c (- b) + 12 c (- 12 c) + 12 c (4 d) - 4 d (2 a) - 4 d (- b) - 4 d (- 12 c) - 4 d (4 d)$

Step 2.1.3

Multiply $2$ by $2$ .

$4 a^{2} + 2 a (- b) + 2 a (- 12 c) + 2 a (4 d) - b (2 a) - b (- b) - b (- 12 c) - b (4 d) + 12 c (2 a) + 12 c (- b) + 12 c (- 12 c) + 12 c (4 d) - 4 d (2 a) - 4 d (- b) - 4 d (- 12 c) - 4 d (4 d)$

Step 2.1.4

Rewrite using the commutative property of multiplication.

$4 a^{2} + 2 \cdot - 1 a b + 2 a (- 12 c) + 2 a (4 d) - b (2 a) - b (- b) - b (- 12 c) - b (4 d) + 12 c (2 a) + 12 c (- b) + 12 c (- 12 c) + 12 c (4 d) - 4 d (2 a) - 4 d (- b) - 4 d (- 12 c) - 4 d (4 d)$

Step 2.1.5

Multiply $2$ by $- 1$ .

$4 a^{2} - 2 a b + 2 a (- 12 c) + 2 a (4 d) - b (2 a) - b (- b) - b (- 12 c) - b (4 d) + 12 c (2 a) + 12 c (- b) + 12 c (- 12 c) + 12 c (4 d) - 4 d (2 a) - 4 d (- b) - 4 d (- 12 c) - 4 d (4 d)$

Step 2.1.6

Rewrite using the commutative property of multiplication.

$4 a^{2} - 2 a b + 2 \cdot - 12 a c + 2 a (4 d) - b (2 a) - b (- b) - b (- 12 c) - b (4 d) + 12 c (2 a) + 12 c (- b) + 12 c (- 12 c) + 12 c (4 d) - 4 d (2 a) - 4 d (- b) - 4 d (- 12 c) - 4 d (4 d)$

Step 2.1.7

Multiply $2$ by $- 12$ .

$4 a^{2} - 2 a b - 24 a c + 2 a (4 d) - b (2 a) - b (- b) - b (- 12 c) - b (4 d) + 12 c (2 a) + 12 c (- b) + 12 c (- 12 c) + 12 c (4 d) - 4 d (2 a) - 4 d (- b) - 4 d (- 12 c) - 4 d (4 d)$

Step 2.1.8

Rewrite using the commutative property of multiplication.

$4 a^{2} - 2 a b - 24 a c + 2 \cdot 4 a d - b (2 a) - b (- b) - b (- 12 c) - b (4 d) + 12 c (2 a) + 12 c (- b) + 12 c (- 12 c) + 12 c (4 d) - 4 d (2 a) - 4 d (- b) - 4 d (- 12 c) - 4 d (4 d)$

Step 2.1.9

Multiply $2$ by $4$ .

$4 a^{2} - 2 a b - 24 a c + 8 a d - b (2 a) - b (- b) - b (- 12 c) - b (4 d) + 12 c (2 a) + 12 c (- b) + 12 c (- 12 c) + 12 c (4 d) - 4 d (2 a) - 4 d (- b) - 4 d (- 12 c) - 4 d (4 d)$

Step 2.1.10

Rewrite using the commutative property of multiplication.

$4 a^{2} - 2 a b - 24 a c + 8 a d - 1 \cdot 2 b a - b (- b) - b (- 12 c) - b (4 d) + 12 c (2 a) + 12 c (- b) + 12 c (- 12 c) + 12 c (4 d) - 4 d (2 a) - 4 d (- b) - 4 d (- 12 c) - 4 d (4 d)$

Step 2.1.11

Multiply $- 1$ by $2$ .

$4 a^{2} - 2 a b - 24 a c + 8 a d - 2 b a - b (- b) - b (- 12 c) - b (4 d) + 12 c (2 a) + 12 c (- b) + 12 c (- 12 c) + 12 c (4 d) - 4 d (2 a) - 4 d (- b) - 4 d (- 12 c) - 4 d (4 d)$

Step 2.1.12

Rewrite using the commutative property of multiplication.

$4 a^{2} - 2 a b - 24 a c + 8 a d - 2 b a - 1 \cdot - 1 b \cdot b - b (- 12 c) - b (4 d) + 12 c (2 a) + 12 c (- b) + 12 c (- 12 c) + 12 c (4 d) - 4 d (2 a) - 4 d (- b) - 4 d (- 12 c) - 4 d (4 d)$

Step 2.1.13

Multiply $b$ by $b$ by adding the exponents.

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Step 2.1.13.1

Move $b$ .

$4 a^{2} - 2 a b - 24 a c + 8 a d - 2 b a - 1 \cdot - 1 (b \cdot b) - b (- 12 c) - b (4 d) + 12 c (2 a) + 12 c (- b) + 12 c (- 12 c) + 12 c (4 d) - 4 d (2 a) - 4 d (- b) - 4 d (- 12 c) - 4 d (4 d)$

Step 2.1.13.2

Multiply $b$ by $b$ .

$4 a^{2} - 2 a b - 24 a c + 8 a d - 2 b a - 1 \cdot - 1 b^{2} - b (- 12 c) - b (4 d) + 12 c (2 a) + 12 c (- b) + 12 c (- 12 c) + 12 c (4 d) - 4 d (2 a) - 4 d (- b) - 4 d (- 12 c) - 4 d (4 d)$

Step 2.1.14

Multiply $- 1$ by $- 1$ .

$4 a^{2} - 2 a b - 24 a c + 8 a d - 2 b a + 1 b^{2} - b (- 12 c) - b (4 d) + 12 c (2 a) + 12 c (- b) + 12 c (- 12 c) + 12 c (4 d) - 4 d (2 a) - 4 d (- b) - 4 d (- 12 c) - 4 d (4 d)$

Step 2.1.15

Multiply $b^{2}$ by $1$ .

$4 a^{2} - 2 a b - 24 a c + 8 a d - 2 b a + b^{2} - b (- 12 c) - b (4 d) + 12 c (2 a) + 12 c (- b) + 12 c (- 12 c) + 12 c (4 d) - 4 d (2 a) - 4 d (- b) - 4 d (- 12 c) - 4 d (4 d)$

Step 2.1.16

Rewrite using the commutative property of multiplication.

$4 a^{2} - 2 a b - 24 a c + 8 a d - 2 b a + b^{2} - 1 \cdot - 12 b c - b (4 d) + 12 c (2 a) + 12 c (- b) + 12 c (- 12 c) + 12 c (4 d) - 4 d (2 a) - 4 d (- b) - 4 d (- 12 c) - 4 d (4 d)$

Step 2.1.17

Multiply $- 1$ by $- 12$ .

$4 a^{2} - 2 a b - 24 a c + 8 a d - 2 b a + b^{2} + 12 b c - b (4 d) + 12 c (2 a) + 12 c (- b) + 12 c (- 12 c) + 12 c (4 d) - 4 d (2 a) - 4 d (- b) - 4 d (- 12 c) - 4 d (4 d)$

Step 2.1.18

Rewrite using the commutative property of multiplication.

$4 a^{2} - 2 a b - 24 a c + 8 a d - 2 b a + b^{2} + 12 b c - 1 \cdot 4 b d + 12 c (2 a) + 12 c (- b) + 12 c (- 12 c) + 12 c (4 d) - 4 d (2 a) - 4 d (- b) - 4 d (- 12 c) - 4 d (4 d)$

Step 2.1.19

Multiply $- 1$ by $4$ .

$4 a^{2} - 2 a b - 24 a c + 8 a d - 2 b a + b^{2} + 12 b c - 4 b d + 12 c (2 a) + 12 c (- b) + 12 c (- 12 c) + 12 c (4 d) - 4 d (2 a) - 4 d (- b) - 4 d (- 12 c) - 4 d (4 d)$

Step 2.1.20

Rewrite using the commutative property of multiplication.

$4 a^{2} - 2 a b - 24 a c + 8 a d - 2 b a + b^{2} + 12 b c - 4 b d + 12 \cdot 2 c a + 12 c (- b) + 12 c (- 12 c) + 12 c (4 d) - 4 d (2 a) - 4 d (- b) - 4 d (- 12 c) - 4 d (4 d)$

Step 2.1.21

Multiply $12$ by $2$ .

$4 a^{2} - 2 a b - 24 a c + 8 a d - 2 b a + b^{2} + 12 b c - 4 b d + 24 c a + 12 c (- b) + 12 c (- 12 c) + 12 c (4 d) - 4 d (2 a) - 4 d (- b) - 4 d (- 12 c) - 4 d (4 d)$

Step 2.1.22

Rewrite using the commutative property of multiplication.

$4 a^{2} - 2 a b - 24 a c + 8 a d - 2 b a + b^{2} + 12 b c - 4 b d + 24 c a + 12 \cdot - 1 c b + 12 c (- 12 c) + 12 c (4 d) - 4 d (2 a) - 4 d (- b) - 4 d (- 12 c) - 4 d (4 d)$

Step 2.1.23

Multiply $12$ by $- 1$ .

$4 a^{2} - 2 a b - 24 a c + 8 a d - 2 b a + b^{2} + 12 b c - 4 b d + 24 c a - 12 c b + 12 c (- 12 c) + 12 c (4 d) - 4 d (2 a) - 4 d (- b) - 4 d (- 12 c) - 4 d (4 d)$

Step 2.1.24

Rewrite using the commutative property of multiplication.

$4 a^{2} - 2 a b - 24 a c + 8 a d - 2 b a + b^{2} + 12 b c - 4 b d + 24 c a - 12 c b + 12 \cdot - 12 c \cdot c + 12 c (4 d) - 4 d (2 a) - 4 d (- b) - 4 d (- 12 c) - 4 d (4 d)$

Step 2.1.25

Multiply $c$ by $c$ by adding the exponents.

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Step 2.1.25.1

Move $c$ .

$4 a^{2} - 2 a b - 24 a c + 8 a d - 2 b a + b^{2} + 12 b c - 4 b d + 24 c a - 12 c b + 12 \cdot - 12 (c \cdot c) + 12 c (4 d) - 4 d (2 a) - 4 d (- b) - 4 d (- 12 c) - 4 d (4 d)$

Step 2.1.25.2

Multiply $c$ by $c$ .

$4 a^{2} - 2 a b - 24 a c + 8 a d - 2 b a + b^{2} + 12 b c - 4 b d + 24 c a - 12 c b + 12 \cdot - 12 c^{2} + 12 c (4 d) - 4 d (2 a) - 4 d (- b) - 4 d (- 12 c) - 4 d (4 d)$

Step 2.1.26

Multiply $12$ by $- 12$ .

$4 a^{2} - 2 a b - 24 a c + 8 a d - 2 b a + b^{2} + 12 b c - 4 b d + 24 c a - 12 c b - 144 c^{2} + 12 c (4 d) - 4 d (2 a) - 4 d (- b) - 4 d (- 12 c) - 4 d (4 d)$

Step 2.1.27

Rewrite using the commutative property of multiplication.

$4 a^{2} - 2 a b - 24 a c + 8 a d - 2 b a + b^{2} + 12 b c - 4 b d + 24 c a - 12 c b - 144 c^{2} + 12 \cdot 4 c d - 4 d (2 a) - 4 d (- b) - 4 d (- 12 c) - 4 d (4 d)$

Step 2.1.28

Multiply $12$ by $4$ .

$4 a^{2} - 2 a b - 24 a c + 8 a d - 2 b a + b^{2} + 12 b c - 4 b d + 24 c a - 12 c b - 144 c^{2} + 48 c d - 4 d (2 a) - 4 d (- b) - 4 d (- 12 c) - 4 d (4 d)$

Step 2.1.29

Rewrite using the commutative property of multiplication.

$4 a^{2} - 2 a b - 24 a c + 8 a d - 2 b a + b^{2} + 12 b c - 4 b d + 24 c a - 12 c b - 144 c^{2} + 48 c d - 4 \cdot 2 d a - 4 d (- b) - 4 d (- 12 c) - 4 d (4 d)$

Step 2.1.30

Multiply $- 4$ by $2$ .

$4 a^{2} - 2 a b - 24 a c + 8 a d - 2 b a + b^{2} + 12 b c - 4 b d + 24 c a - 12 c b - 144 c^{2} + 48 c d - 8 d a - 4 d (- b) - 4 d (- 12 c) - 4 d (4 d)$

Step 2.1.31

Rewrite using the commutative property of multiplication.

$4 a^{2} - 2 a b - 24 a c + 8 a d - 2 b a + b^{2} + 12 b c - 4 b d + 24 c a - 12 c b - 144 c^{2} + 48 c d - 8 d a - 4 \cdot - 1 d b - 4 d (- 12 c) - 4 d (4 d)$

Step 2.1.32

Multiply $- 4$ by $- 1$ .

$4 a^{2} - 2 a b - 24 a c + 8 a d - 2 b a + b^{2} + 12 b c - 4 b d + 24 c a - 12 c b - 144 c^{2} + 48 c d - 8 d a + 4 d b - 4 d (- 12 c) - 4 d (4 d)$

Step 2.1.33

Rewrite using the commutative property of multiplication.

$4 a^{2} - 2 a b - 24 a c + 8 a d - 2 b a + b^{2} + 12 b c - 4 b d + 24 c a - 12 c b - 144 c^{2} + 48 c d - 8 d a + 4 d b - 4 \cdot - 12 d c - 4 d (4 d)$

Step 2.1.34

Multiply $- 4$ by $- 12$ .

$4 a^{2} - 2 a b - 24 a c + 8 a d - 2 b a + b^{2} + 12 b c - 4 b d + 24 c a - 12 c b - 144 c^{2} + 48 c d - 8 d a + 4 d b + 48 d c - 4 d (4 d)$

Step 2.1.35

Rewrite using the commutative property of multiplication.

$4 a^{2} - 2 a b - 24 a c + 8 a d - 2 b a + b^{2} + 12 b c - 4 b d + 24 c a - 12 c b - 144 c^{2} + 48 c d - 8 d a + 4 d b + 48 d c - 4 \cdot 4 d \cdot d$

Step 2.1.36

Multiply $d$ by $d$ by adding the exponents.

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Step 2.1.36.1

Move $d$ .

$4 a^{2} - 2 a b - 24 a c + 8 a d - 2 b a + b^{2} + 12 b c - 4 b d + 24 c a - 12 c b - 144 c^{2} + 48 c d - 8 d a + 4 d b + 48 d c - 4 \cdot 4 (d \cdot d)$

Step 2.1.36.2

Multiply $d$ by $d$ .

$4 a^{2} - 2 a b - 24 a c + 8 a d - 2 b a + b^{2} + 12 b c - 4 b d + 24 c a - 12 c b - 144 c^{2} + 48 c d - 8 d a + 4 d b + 48 d c - 4 \cdot 4 d^{2}$

Step 2.1.37

Multiply $- 4$ by $4$ .

$4 a^{2} - 2 a b - 24 a c + 8 a d - 2 b a + b^{2} + 12 b c - 4 b d + 24 c a - 12 c b - 144 c^{2} + 48 c d - 8 d a + 4 d b + 48 d c - 16 d^{2}$

Step 2.2

Combine the opposite terms in $4 a^{2} - 2 a b - 24 a c + 8 a d - 2 b a + b^{2} + 12 b c - 4 b d + 24 c a - 12 c b - 144 c^{2} + 48 c d - 8 d a + 4 d b + 48 d c - 16 d^{2}$ .

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Step 2.2.1

Reorder the factors in the terms $- 24 a c$ and $24 c a$ .

$4 a^{2} - 2 a b - 24 a c + 8 a d - 2 b a + b^{2} + 12 b c - 4 b d + 24 a c - 12 c b - 144 c^{2} + 48 c d - 8 d a + 4 d b + 48 d c - 16 d^{2}$

Step 2.2.2

Add $- 24 a c$ and $24 a c$ .

$4 a^{2} - 2 a b + 8 a d - 2 b a + b^{2} + 12 b c - 4 b d + 0 - 12 c b - 144 c^{2} + 48 c d - 8 d a + 4 d b + 48 d c - 16 d^{2}$

Step 2.2.3

Add $4 a^{2} - 2 a b + 8 a d - 2 b a + b^{2} + 12 b c - 4 b d$ and $0$ .

$4 a^{2} - 2 a b + 8 a d - 2 b a + b^{2} + 12 b c - 4 b d - 12 c b - 144 c^{2} + 48 c d - 8 d a + 4 d b + 48 d c - 16 d^{2}$

Step 2.2.4

Reorder the factors in the terms $12 b c$ and $- 12 c b$ .

$4 a^{2} - 2 a b + 8 a d - 2 b a + b^{2} + 12 b c - 4 b d - 12 b c - 144 c^{2} + 48 c d - 8 d a + 4 d b + 48 d c - 16 d^{2}$

Step 2.2.5

Subtract $12 b c$ from $12 b c$ .

$4 a^{2} - 2 a b + 8 a d - 2 b a + b^{2} - 4 b d + 0 - 144 c^{2} + 48 c d - 8 d a + 4 d b + 48 d c - 16 d^{2}$

Step 2.2.6

Add $4 a^{2} - 2 a b + 8 a d - 2 b a + b^{2} - 4 b d$ and $0$ .

$4 a^{2} - 2 a b + 8 a d - 2 b a + b^{2} - 4 b d - 144 c^{2} + 48 c d - 8 d a + 4 d b + 48 d c - 16 d^{2}$

Step 2.2.7

Reorder the factors in the terms $8 a d$ and $- 8 d a$ .

$4 a^{2} - 2 a b + 8 a d - 2 b a + b^{2} - 4 b d - 144 c^{2} + 48 c d - 8 a d + 4 d b + 48 d c - 16 d^{2}$

Step 2.2.8

Subtract $8 a d$ from $8 a d$ .

$4 a^{2} - 2 a b - 2 b a + b^{2} - 4 b d - 144 c^{2} + 48 c d + 0 + 4 d b + 48 d c - 16 d^{2}$

Step 2.2.9

Add $4 a^{2} - 2 a b - 2 b a + b^{2} - 4 b d - 144 c^{2} + 48 c d$ and $0$ .

$4 a^{2} - 2 a b - 2 b a + b^{2} - 4 b d - 144 c^{2} + 48 c d + 4 d b + 48 d c - 16 d^{2}$

Step 2.2.10

Reorder the factors in the terms $- 4 b d$ and $4 d b$ .

$4 a^{2} - 2 a b - 2 b a + b^{2} - 4 b d - 144 c^{2} + 48 c d + 4 b d + 48 d c - 16 d^{2}$

Step 2.2.11

Add $- 4 b d$ and $4 b d$ .

$4 a^{2} - 2 a b - 2 b a + b^{2} - 144 c^{2} + 48 c d + 0 + 48 d c - 16 d^{2}$

Step 2.2.12

Add $4 a^{2} - 2 a b - 2 b a + b^{2} - 144 c^{2} + 48 c d$ and $0$ .

$4 a^{2} - 2 a b - 2 b a + b^{2} - 144 c^{2} + 48 c d + 48 d c - 16 d^{2}$

Step 3

Subtract $2 b a$ from $- 2 a b$ .

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Step 3.1

Move $b$ .

$4 a^{2} - 2 a b - 2 a b + b^{2} - 144 c^{2} + 48 c d + 48 d c - 16 d^{2}$

Step 3.2

Subtract $2 a b$ from $- 2 a b$ .

$4 a^{2} - 4 a b + b^{2} - 144 c^{2} + 48 c d + 48 d c - 16 d^{2}$

Step 4

Add $48 c d$ and $48 d c$ .

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Step 4.1

Move $d$ .

$4 a^{2} - 4 a b + b^{2} - 144 c^{2} + 48 c d + 48 c d - 16 d^{2}$

Step 4.2

Add $48 c d$ and $48 c d$ .

$4 a^{2} - 4 a b + b^{2} - 144 c^{2} + 96 c d - 16 d^{2}$