1. Simplify the expression. Show your work .and steps 22 + (3^2 – 4^2)

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asked Feb 1, 2018 82.4k views

1 Answer

Sargturner · Answer 1 · 2018-02-07T07:02:39+0000

PEMDAS...parentheses, then exponents, then multiplication/division, finally addition/subtraction...

22+(3^2-4^2) inside the parentheses are exponents, so they are calculated first.

22+(9-16) now you complete the operations inside the parentheses

22+(-7) finally you do your addition/subtraction

22-7

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1. Simplify the expression. Show your work .and steps 22 + (3^2 – 4^2)

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