Evaluate 4*(2+5)^2-5^2

$4 \cdot {(2 + 5)}^{2} - 5^{2}$

Step 1

Simplify each term.

Add $2$ and $5$ .

$4 \cdot 7^{2} - 5^{2}$

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

$4 \cdot 49 - 5^{2}$

Multiply $4$ by $49$ .

$196 - 5^{2}$

Raise $5$ to the power of $2$ .

$196 - 1 \cdot 25$

Multiply $- 1$ by $25$ .

$196 - 25$

$196 - 25$

Step 2

Subtract $25$ from $196$ .

$171$

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