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(x-9)(x+5)
x = 9 atau x = -5
2. 6x^2 -17x +12 = 0
(6x^2 - 9x)(-8x + 12)
3x(2x - 3) -4 (2x-3)
(3x-4)(2x-3)
3x = 4 atau 2x = 3
x = 4/3 x = 3/2
3. 3x^2 - 8x + 7 = 2x^2 - 2x -1
x^2 - 6x +8 = 0
(x-4)(x-2)
x = 4 atau x = 2
(x - 9)(x + 5) difaktorkan terlebih dahulu
x = 9
x = -5
Hp = {-5, 9}
2. 6x(kuadrat) - 7x + 12 = 0
(2x - 4)(3x - 3)
x = 4/2
x = 3/3 = 1
3. 3x(kuadrat) - 8x +7 = 2x(kuadrat) - 2x - 1
3x(kuadrat) - 2x(kuadrat) - 8x + 2x + 7 + 1 = 0
x(kuadrat) - 6x + 8 = 0
(x - 4)(x -2)
x = 4
x = 2
semoga membantu! jadikan pilihan yang terbaik yaa ^_^