liamnoob090576 liamnoob090576

27-07-2021
Mathematics

contestada

If 12(x - a)(x - b) = 12x² - 7x - 12 , then ab =

Answer choices :

1
-1
7
12
-12

Respuesta :

anasweeney43 anasweeney43

08-08-2021

Answer: -1

Step-by-step explanation:

12x^2-7x-12 = (4x+3)(3x-4)

4x+3=0. X = -3/4

3x-4=0. X = 4/3

(-3/4) (4/3) = -1

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