Factoring trinomials
Solve for x:
x(x+3)=0
x=-3,0
Solve for x:
3x2+17x
x=0, -17/3
Solve by factoring:
(x-2.8)(x+5)(3x-9)=0
x=-5,3, 2.8
Factor into two binomials: 7x2-36x+5
(7x-1)(x-5)
Solve by factoring:
x2-20x+99=0
x=11, 9
Solve. (Hint, make sure all terms are on the right hand side! Then factor out the greatest common factor!!!)
4x3+13x2=-3x
x= -1/4, -3