Question 59698
(x+5)(3x-1)+13=0
3x^2+15x-x-5+13=0
3x^2+14x+8=0
(3x+2)(x+4)=0
3x+2=0
3x=-2
x=-2/3 solution
x+4=0
x=-4 solution

2x^2+3x=20
2x^2+3x-20=0
(2x-5)(x+4)=0
2x-5=0
2x=5
x=2/5 solution
x+4=0
x=-4 solution