Question

Solve for x

x^2−18x+81=0

Answer 1

Answer: x=9

Explanation:

X2-18x+81

Factors of 81 are -9 and -9

X2-9x-9x+81=0

X(x-9)-9(x-9)=0

(X-9)(x-9)=0

(X-9)=0 or (x-9)=0

X=0+9

X=9