Question

C={x:x² + x - 12 = 0 x € N}

Answer 1

Answer:

-4,3 is the answer to this question

Answer 2

Answer:

Answer

x

2

−x−12=0

⟹x

2

−4x+3x−12=0

⟹x(x−4)+3(x−4)=0

⟹(x+3)(x−4)=0

⟹x=−3 or 4

Step-by-step explanation:

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