Calculus Examples

$3 b \cdot (3 b) - 3 b$

Step 1

Rewrite using the commutative property of multiplication.

$3 \cdot 3 b \cdot b - 3 b$

Step 2

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

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Step 2.1

Move $b$ .

$3 \cdot 3 (b \cdot b) - 3 b$

Step 2.2

Multiply $b$ by $b$ .

$3 \cdot 3 b^{2} - 3 b$

Step 3

Multiply $3$ by $3$ .

$9 b^{2} - 3 b$

Step 4

Factor $3 b$ out of $9 b^{2} - 3 b$ .

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Step 4.1

Factor $3 b$ out of $9 b^{2}$ .

$3 b (3 b) - 3 b$

Step 4.2

Factor $3 b$ out of $- 3 b$ .

$3 b (3 b) + 3 b (- 1)$

Step 4.3

Factor $3 b$ out of $3 b (3 b) + 3 b (- 1)$ .

$3 b (3 b - 1)$