PERSAMAAN KUADRAT
▶ Faktorisasi persamaan kuadrat
(x² - 16) / (x² + 3x - 28)
——————————
x² - 16 = x² - 4²
= (x + 4)(x - 4)
x² + 3x - 28
p + q = 3
pq = -28
didapat :
p = 7
q = -4
= (x + 7)(x - 4)
= (x + 4)(x - 4) / (x + 7)(x - 4)
= (x + 4) / (x - 7) ➡
[B]
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PERSAMAAN KUADRAT
▶ Faktorisasi persamaan kuadrat
(x² - 16) / (x² + 3x - 28)
——————————
x² - 16 = x² - 4²
= (x + 4)(x - 4)
——————————
x² + 3x - 28
p + q = 3
pq = -28
didapat :
p = 7
q = -4
x² + 3x - 28
= (x + 7)(x - 4)
——————————
(x² - 16) / (x² + 3x - 28)
= (x + 4)(x - 4) / (x + 7)(x - 4)
= (x + 4) / (x - 7) ➡
[B]