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19-09-2021
Mathematics

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Evaluate the explanation x= -4
I already plugged in

-4 ^ 2 + 5(-4) + 7

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BBQGandhi BBQGandhi

19-09-2021

Answer:

(-4)^2+5(-4)+7=3

if -4 isn't in brackets then

-4^2+5(-4)+7=-29

The brackets are necessary if order of operations is followed properly.

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