Question

What is (a+b-x) whole square

Answer 1

a2+2(ab-ax-bx)-x2+b2

Answer 2

$\: \: \: {(a + b - x)}^{2} \\ = {a}^{2} + {b}^{2} + {( - x)}^{2} + 2ab + 2b( - x) + 2a( - x) \\ = {a}^{2} + {b}^{2} + {x}^{2} + 2ab - 2bx - 2xa$



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