Question

a2b2+m2n2−x2y2−3m2n2+4x2y2−5a2b2=

Answer 1

Terminos semejantes

a^2 b^2 (1 - 5) + m^2 n^2 (1 -3) + x^2 y^2 (4 -1) =

= - 4 a^2 b ^2 - 2 m^2 n^2 + 3 x^2 y^2