Question 311257
x^2 + (x+31)^2 = 41^2


2x^2 + 62x + 961 = 1681 ___ 2x^2 + 62x - 720 = 0 ___ x^2 + 31x - 360 = 0


factoring ___ (x + 40)(x - 9) = 0


x - 9 = 0 ___ x = 9