Question

(X+1)2 степени=64
Помогите решить

Answer 1

х²+2х+1-64=0

х²+2х-63=0

Д1=1+63=64

х1=-1+8=7

х2=-1-8=-9

Answer 2

x^2+2x+1=64
x^2+2x-63=0
x1+x2=-2
x1×x2=-63
x1=-9
x2=7