Factor X2 plus 18 equals 9x?

Answer 1

x^2 + 18 = 9x

x^2 - 9x + 18 = 0

(x )(x )

Since 6 * 3 = 18 and 6 + 3 = 9,

(x 3)(x 6)

Since the 18 is positive, the factors are either both positive or both negative. Since the 9 is negative, they must both be negative.

(x - 3)(x - 6)