Question

find the following product​

Answer 1

Answer:

=(-2x sq.+ xy - y sq.)(3x+4y)

=3x(-2x sq.+ xy - y sq.)+4y(-2x sq.+ xy - y sq.)

=-6x cub.+ 3x sq.y - 3xy sq. - 8x sq.y + 4xy sq. - 4y cub.

=-6x cub. + 3x sq.y - 8 x sq.y - 3xy sq. + 4xy sq. - 4y cub.

=-6x cub. - 5x sq.y + xy sq. - 4y cub.