Question

me pueden resolver esto? por favor:
2r2 – 2s2 + hr2 – hs2 =

Answer 1

$2r^2-2s^2+hr^2-hs^2= \\ 2(r^2-s^2)+h(r^2-s^2)= \\ (r^2-s^2)(2+h)= \\ (r-s)(r+s)(2+h)$

SALUDOS