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bearhunter [10]
2 years ago
7

Please need help on this

Mathematics
1 answer:
Usimov [2.4K]2 years ago
5 0

Answer:

A

Step-by-step explanation:

x^2 + x - 12

12 = 4*3,

We have -12 so 4 or 3 should be negative.

+ x , coefficient = +1 , so we have +4 - 3 = +1

(x+4)(x-3)

We can check:

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

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