Simplify 512z-4(5z+3z(27-15))+80

$512 z - 4 (5 z + 3 z (27 - 15)) + 80$

Simplify each term.

Simplify each term.

Subtract $15$ from $27$ .

$512 z - 4 (5 z + 3 z \cdot 12) + 80$

Multiply $12$ by $3$ .

$512 z - 4 (5 z + 36 z) + 80$

$512 z - 4 (5 z + 36 z) + 80$

Add $5 z$ and $36 z$ .

$512 z - 4 (41 z) + 80$

Multiply $41$ by $- 4$ .

$512 z - 164 z + 80$

$512 z - 164 z + 80$

Subtract $164 z$ from $512 z$ .

$348 z + 80$

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