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Algebra Examples

Popular Problems

Simplify -4i^2

$- 4 i^{2}$

Step 1

Rewrite $i^{2}$ as $- 1$ .

$- 4 \cdot - 1$

Step 2

Multiply $- 4$ by $- 1$ .

$4$

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

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