Pre-Algebra Examples

$1 + 4 (3 b + 9) - b$

Step 1

Simplify each term.

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Step 1.1

Apply the distributive property.

$1 + 4 (3 b) + 4 \cdot 9 - b$

Step 1.2

Multiply $3$ by $4$ .

$1 + 12 b + 4 \cdot 9 - b$

Step 1.3

Multiply $4$ by $9$ .

$1 + 12 b + 36 - b$

$1 + 12 b + 36 - b$

Step 2

Simplify by adding terms.

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Step 2.1

Add $1$ and $36$ .

$12 b + 37 - b$

Step 2.2

Subtract $b$ from $12 b$ .

$11 b + 37$

$11 b + 37$

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$