9x2+6x+1
(9x2+3x)(3x+1)
3x(3x+1) 1(3x+1)
(3x+1) (3x+1)
x=-.3 x=-.3
4x2-4x-48
4x2-4x-48
x(x+9)(x-6)
3x2-2x-5
(3x+5)(1x+1)
x=-1.6 x=-1
x2+2x-8=0
(x+1)2=9
x+1=(√9
x=-3-1 x=+3-1
x=-4 x=2
6x2+37x+6
(6x+1)(x+6)
6x2+36x+1x+6
6x(x+6) +1 (x+6)
(x+6) (6x+1)
x=6 x=-.16
5x2+15x-20
5(x2+3x-4)
5x2-11x+2
(5x-1)(x-2)
x=.2 x=2
x2-18x+80
(x-9)2=1
x-9=(√1
x=-1+9 x=1+9
x=8 x=10
2x2+x-6
2x2+4x-3x-6
2x(x+2)-3(x+2)
(x+2)(2x-3)
x=-2 x=1.5
3x3-6x2-45x
3x(x2-2x-15)
6x2+x-1
(3x-1)(2x+1)
x=.3 x=-.5
4x2-8x-32
(x-1)2=9
x-1=(√9
x=1+3 x=1-3
x=4 x=-2
x2+2x-3
x2+2x-3=0
(x-1)(x+3)=0
x-1+0 x+3+0
x=1 x=-3
5x2+7x+2
(5x+2)(x+1)
x=-.4 x=-1
2x2-8x-10
(x-4)2=26
x-4=(√26
x-4=5.1 x+4=5.1
x=9.1 x=1.1