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I need help solving the first expression that isn’t solved and the last one. I did it and got an answer but it said it was not correct.
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I need help solving the first expression that isn’t solved and the last one. I did it and got an answer but it said it was not correct.

I need help solving the first expression that isn’t solved and the last one. I did-example-1
User RollingBoy
by
3.8k points

1 Answer

3 votes

Given


x=-3
x^2=(-3)^2=1*9=9

And


2x^2+3=2*9+3=18+3=21

Hence


x^2=9,2x^2+3=21

User Adam Spannbauer
by
3.8k points
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