matxxpshsn matxxpshsn

09-02-2022
Mathematics

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Can someone help pls

Solve using factorisation

12x² - 16x - 35 = 0

Respuesta :

mhanifa mhanifa

09-02-2022

Answer:

(5/2, - 7/6)

Step-by-step explanation:

12x² - 16x - 35 = 0
12x² + 14x - 30x - 35 = 0
2x(6x + 7) - 5(6x + 7) = 0
(2x - 5)(6x + 7) = 0

1)

2x - 5 = 0
2x = 5
x = 5/2

2)

6x + 7 = 0
6x = - 7
x = - 7/6

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