Chemistry Examples

$12 a - 1 a (4 - 3 a)$

Step 1

Simplify each term.

Tap for more steps...

Step 1.1

Rewrite $- 1 a$ as $- a$ .

$12 a - a (4 - 3 a)$

Step 1.2

Apply the distributive property.

$12 a - a \cdot 4 - a (- 3 a)$

Step 1.3

Multiply $4$ by $- 1$ .

$12 a - 4 a - a (- 3 a)$

Step 1.4

Rewrite using the commutative property of multiplication.

$12 a - 4 a - 1 \cdot - 3 a \cdot a$

Step 1.5

Simplify each term.

Tap for more steps...

Step 1.5.1

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

Tap for more steps...

Step 1.5.1.1

Move $a$ .

$12 a - 4 a - 1 \cdot - 3 (a \cdot a)$

Step 1.5.1.2

Multiply $a$ by $a$ .

$12 a - 4 a - 1 \cdot - 3 a^{2}$

Step 1.5.2

Multiply $- 1$ by $- 3$ .

$12 a - 4 a + 3 a^{2}$

Step 2

Subtract $4 a$ from $12 a$ .

$8 a + 3 a^{2}$