Question

factorize x square +2ax-b square -2ab

Answer 1

$x {}^{2} + 2ax - b {}^{2} -2 ab = x(x + 2a) - b(b + 2a)$

Answer 2

In the attachment I have answered this problem.

a square is added and subtracted in such a way that to make the expression in terms of perfect square.

See the attachment for detailed solution.