Question

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

Answer 1

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