Solve each of the following equations and also check your result in case: [(2x + 3) + (x + 5)]^2 + [(2x + 3) - (x + 5)]^2 = 10x^2 + 92

Question

Solve the following equations and also check your result in case:

[(2x + 3) + (x + 5)]² + [(2x + 3) - (x + 5)]² = 10x² + 92

Answer 1

[(2x + 3) + (x + 5)]² + [(2x + 3) - (x + 5)]² = 10x² + 92

On opening brackets

We got LHS=RHS