Basic Math Examples

$- (3 \cdot (- 7 y) + 7)$

Step 1

Multiply $- 7$ by $3$ .

$- (- 21 y + 7)$

Step 2

Simplify by multiplying through.

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Step 2.1

Apply the distributive property.

$- (- 21 y) - 1 \cdot 7$

Step 2.2

Multiply.

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Step 2.2.1

Multiply $- 21$ by $- 1$ .

$21 y - 1 \cdot 7$

Step 2.2.2

Multiply $- 1$ by $7$ .

$21 y - 7$

$21 y - 7$

$21 y - 7$

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