SOLUTION: Ok i have to solve for x in this equation: x^2 + (x+7)^2 = 13^2 this is my work but its wrong: 2x^2 + 49 = 169 2x^2 - 120 = 0 square root of (0- 4*-120*2) over 4 please h

Algebra ->  Quadratic Equations and Parabolas -> SOLUTION: Ok i have to solve for x in this equation: x^2 + (x+7)^2 = 13^2 this is my work but its wrong: 2x^2 + 49 = 169 2x^2 - 120 = 0 square root of (0- 4*-120*2) over 4 please h      Log On