9x2 - 18x plus 9

Answer 1

if this is the Equation

9X^2 - 18X +9 = Zero

9(X^2 - 2X +1)= Zero divide both side on 9 the result will be

X^2 - 2X = -1

X(X - 2) = -1

and so X= -1 ............. or X-2 = -1 and so X = 1

the result is the value of x are between {-1,1}.