How do you simplify $8 + 2 {(3 + 5)}^{2}$ $8+2(3+5)^2$ using order of operations?

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Answer 1 · 2018-03-20T00:31:57

$8 + 2 {(3 + 5)}^{2}$ $8+2(3+5)^2$
$= 8 + 2 {(8)}^{2}$ $=8+2(8)^2$
$= 8 + 2 (64)$ $=8+2(64)$
$= 8 + 128$ $=8+128$
$= 136$ $=136$

First work what is inside the parentheses, add 3+5=8 then do the exponent 8²=64. Then multiply 2 x 64=128. Then add.

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