Question

simplify
$m ^{2} -n^{2} \times m {}^{2} + mn + n { }^{2} \\ (m + n) {}^{2} \ \: \: \: \: \: m {}^{3} - n {}^{3}$

Answer 1

....here is your answer
hopes it will help you....
please mark me brainliest!!...!!