Question

Find the value of x if x – 12 = 0​

Answer 1

Answer:

x- 12= 0

x= 12

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Answer 2

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