5x^2-9 when x = -2
5(-2)^2-9
I know the answer is 11, but how? When I did it, I got -2...
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Mathematics, 25.10.2021 14:00 andrew5632
5x^2-9 when x = -2
5(-2)^2-9
I know the answer is 11, but how? When I did it, I got -29 and I don’t know how to get 11. Could someone explain step by step on how to get the correct answer?
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Answers: 1
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