Algebra Examples

$3 (2 r + 4 r^{2} - 7 r + 4 r^{2})$

Step 1

Subtract $7 r$ from $2 r$ .

$3 (4 r^{2} - 5 r + 4 r^{2})$

Step 2

Add $4 r^{2}$ and $4 r^{2}$ .

$3 (8 r^{2} - 5 r)$

Step 3

Apply the distributive property.

$3 (8 r^{2}) + 3 (- 5 r)$

Step 4

Multiply.

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Step 4.1

Multiply $8$ by $3$ .

$24 r^{2} + 3 (- 5 r)$

Step 4.2

Multiply $- 5$ by $3$ .

$24 r^{2} - 15 r$

$24 r^{2} - 15 r$

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