8.5 Solving by Factoring
x(x+7)=0
(-7,0)(0,0)
f(x)=(2x−7)(x+2)
(-2,0)(7/2,0)
25x^2−16
(5x-4)(5x+4)
20x^2-15x
5x(4x-3)
2x^2+5x-12
(x+4)(2x-3)
(2x−5)(4x−5)=0
(1.25,0)(2.5,0)
f(x)=(3x+1)(6x−5)
(-1/3,0)(5/6,0)
x^10−81
(x^5-9)(x^5+9)
44a^2+11a
11a(4a+1)
4x^2-49
(2x-7)(2x+7)
3x^2−x=4
(-1,0)(4/3,0)
y=2x^2−4x−30
(-3,0)(5,0)
2x^2+10x−14
2(x^2+5x-7)
24y-36x
12(2y-3x)
16x^2-9
(4x-3)(4x+3)
f(x) = 4x^2−12x+9
(1.5,0)
f(x) = 6x^2−5x+2
no solution
4x^4−36
(4x^2-3)(4x^2+3)
3n^3+12^2
3n^2(n+4)
4x^2+12x+9
(2x+3)^2
y=x^2−7x+15
no solution
3x^2−5x−8 =0
(-1,0)(8/3,0)
y^8−16
(y^2-2)(y^2+2)(y^4+4)
-8s^4+20r^3-28
4(2s^4-5r^3+7)
6x^2-13x-5
(2x-5)(3x+1)