Question

The square of a number is smaller than 12 times the number by 32. Find the number.

Answer 1

factor it
what did you get?

Answer 2

N^2 = 12N -32

N^2 -12N +32 = 0

(N-8)(N-4) = 0

N = 8 or 4

Answer 3

find x

Answer 4

(12 - X) * (11 - X) = (132 - 112) = 132 - 23X + X^2 = 20 = X^2 - 23X + 112
X = 16 OR 7 ...16 is not possible .. hence x = 7

Answer 5

thx

Answer 6

7