TheSnakeANator TheSnakeANator

02-11-2017
Mathematics

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please Explain your answer!

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choixongdong choixongdong

02-11-2017

Substitute x = 3 into 2x^2 + 5
so
2x^2 + 5
= 2(3)^2 + 5
= 2(9) + 5
= 18 + 5
= 23

Brett answer wasn't correct. It's supposed to be 23

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