Simplify (5-2i^2)^2

${(5 - 2 i^{2})}^{2}$

Step 1

Simplify each term.

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

${(5 - 2 \cdot - 1)}^{2}$

Multiply $- 2$ by $- 1$ .

${(5 + 2)}^{2}$

${(5 + 2)}^{2}$

Step 2

Simplify the expression.

Add $5$ and $2$ .

$7^{2}$

Raise $7$ to the power of $2$ .

$49$

$49$

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