Respuesta :

pgarces128
x=−4,−16 here is your answer.
Ckaranja
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