a)(x+7)=79+(x-4)(x+4)
14x+49-79-16
14x=49=63
14x-63-49
14x=14
x=1
Б)16y*-64=0
y^2-4=0
y^2=4
у-2
y=2
y1=-2, y2=2
a)(x+7)=79+(x-4)(x+4)
14x+49-79-16
14x=49=63
14x-63-49
14x=14
x=1
Б)16y*-64=0
y^2-4=0
y^2=4
у-2
y=2
y1=-2, y2=2