Question

Twelve more than the square of a number is seven times the number. Find the number.

Answer 1

Answer:

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Answer 2

Answer:

Let the no. be x.

Step-by-step explanation:

According to given condition,

12+x2=7x

x2-7x+12=0

x2-3x-4x+12=0

x(x-3)-4(x-3)=0

(x-3)(x-4)=0

x=3,4

Ans》3,4