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Chapter 1: Q .478 (page 95)

Simply the expression

−5+2(−3)2−9

Short Answer

Expert verified

Simplified form of−5+2(−3)2−9
is 4

Step by step solution

01

:Given information

Given expression is −5+2(−3)2−9.

To simplify the given expression first to work with exponent and then do the rest of the addition and subtraction .

02

:Solving the expression

When do the exponent we get (-3)2=9.

Then−5+2(−3)2−9=-5+2×9-9=-5+18-9=-5+9=4

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