Question

factorise c square -(x-y) whole square

Answer 1

$\bold\red{answer}$

$c^2-(x-y)^2$

$\huge \bold \green{We \: know \: that}$

$a^2-b^2=(a-b)(a+b)$

$[c-(x-y)][c+(x+y)]$

$(c-x+y)(c+x+y)$