Question
x squared - 9
factor
factor
Answers
Knights
x^2 - 9
Difference of squares
(x+y)(x-y) = x^2-y^2
x^2 = x^2
y^2 = 3^2
So, we get (x+3)(x-3) as the answer.
Difference of squares
(x+y)(x-y) = x^2-y^2
x^2 = x^2
y^2 = 3^2
So, we get (x+3)(x-3) as the answer.