23-06-2016
Mathematics

contestada

how do I solve this (x+10)²=36

Respuesta :

pgarces128 pgarces128

23-06-2016

x=−4,−16 here is your answer.

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Ckaranja Ckaranja

24-06-2016

Go ahead and simplify;
[tex] x^{2} +20x+100=36[/tex]
[tex] x^{2} +20x+100-36=0[/tex]
[tex] x^{2} +20x+64=0[/tex]
[tex] x^{2} +4x+16x+64[/tex]
x(x+4)+16(x+4)=0
(x+16)(x+4)=0
x+16=0
x=-16
x+4=0
x=-4

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is this carrect ? please let me know