а) xx−4x-4x−4=0x=0 или x-4=0x=0 или x=4
б) 6m^4-54m^2=06m^2m2−9m^2-9m2−9=06m^2m+3m+3m+3m−3m-3m−3=0m=0, m=-3, m=3
в) y^2+8y=0yy+8y+8y+8=0y=0 или y=-8
г) 100b^2-4b^4=04b^225−b225-b^225−b2=04b^25+b5+b5+b5−b5-b5−b=0b=0, b=5, b=-5
а) xx−4x-4x−4=0
x=0 или x-4=0
x=0 или x=4
б) 6m^4-54m^2=0
6m^2m2−9m^2-9m2−9=0
6m^2m+3m+3m+3m−3m-3m−3=0
m=0, m=-3, m=3
в) y^2+8y=0
yy+8y+8y+8=0
y=0 или y=-8
г) 100b^2-4b^4=0
4b^225−b225-b^225−b2=0
4b^25+b5+b5+b5−b5-b5−b=0
b=0, b=5, b=-5