Simplify (y^2 + 10xy^2-9x + 11x^2) -(8x^2-55xy-4y^2) + (-8y^2-11x^2-9xy)

Asked by AnneS2 on 26 Jun 04:53

Last updated by anonymous on 27 Jun 11:03

Answered by CherieS on 27 Jun 11:03

=(y^2 + 10xy^2-9x + 11x^2) -(8x^2-55xy-4y^2) + (-8y^2-11x^2-9xy)

=y^2 + 10xy^2-9x + 11x^2 -8x^2+55xy+4y^2 + -8y^2-11x^2-9xy
=y^2+4y^2-8y^2 + 11x^2 -8x^2-11x^2 + 10xy^2 -9x +55xy-9xy
=-3y^2 -8x^2+ 10xy^2 -9x +46xy