1. x=3.03
2.x=0.5
3.x=4/3
4.x=2
5.x=10
Split it up
3x^2+12x-5x-20
group
(3x^2+12x)+(-5x-20)
factor
(3x)(x+4)+(-5)(x+4)
undistribute (x+4) like ab+ac=a(b+c)
(3x-5)(x+4)
Y=5/2x+5 because the slope is 5/2 and the y-intercept is 5
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