m⁴+3m³-m²

3ab²+6ab³-18ab

a(x+y) + b(x+y)

5x(a+b) - 4y(a+b)

x(a-b) + y(b-a)

p(x-y) - q(y-z)

3(x+y) + (x+y)³

3ab^2+6ab^3-18ab=03ab(ab+2ab^2-6) =0 /3abab+2ab^2-6=02ab^2+ab-6=0D=1+48=49x1=-1+7/4=1, 5x2=-1-7/4=-2x1=1, 5x2=-2