Simplify dfracx2−56x−7\\dfrac{x^2 - 56}{x - 7}dfracx2−56x−7 for xneq7x \\neq 7xneq7
x+7x + 7x+7
x−8x - 8x−8
x−7x - 7x−7
x+8x + 8x+8