Question

what is obtained by subtracting x square minus y square from Y Square minus x square

Answer 1

that equal to
(y square -x square)-( x square- y square)
y square-x square-x square+y square
2y square - 2x square
that equal to 2(y square -x square)


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Answer 2

(y square -x square )(x square -y square) y square -x square -x square +y square