Simplify 8(12-9)^2-4*7

$8 {(12 - 9)}^{2} - 4 \cdot 7$

Step 1

Simplify each term.

Subtract $9$ from $12$ .

$8 \cdot 3^{2} - 4 \cdot 7$

Raise $3$ to the power of $2$ .

$8 \cdot 9 - 4 \cdot 7$

Multiply $8$ by $9$ .

$72 - 4 \cdot 7$

Multiply $- 4$ by $7$ .

$72 - 28$

$72 - 28$

Step 2

Subtract $28$ from $72$ .

$44$

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