Describe and correct the error in solving the equation

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Steven Matthews asked Sep 26, 2023

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36 votes

Describe and correct the error in solving the equation

Mathematics
high-school

Steven Matthews asked Sep 26, 2023

by Steven Matthews

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14 votes

Answer:

what equation?

Explanation:

XuZhangning answered Sep 28, 2023

by XuZhangning

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13 votes

Answer:

x=2

Explanation:

2(x+1)^2+3=21

2(x+1)^2=9

x+1=3

x=2

Ruslan Gilmutdinov answered Oct 2, 2023

by Ruslan Gilmutdinov

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