allisonr122875 allisonr122875

16-01-2021
Mathematics

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X^2+2x+1=4 complete the square

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manissaha129 manissaha129

16-01-2021

Answer:

[tex] {x}^{2} +2 x + 1 = 4 \\ {(x + 1)}^{2} = 4 \\( x + 1) = + 2 \: and \: (x + 1) = - 2 \\ \boxed{x = 1 \: and \: x = - 3}[/tex]

x= 1 or x= -3 is the right answer.

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