Question

multiply 2x 2y by -4x3 y2

Answer 1

Answer:

Multiplying term by term and then adding,

(2x

2

−3xy+y

2

)×(2y

2

−xy−x

2

)

=2x

2

(2y

2

−xy−x

2

)−3xy(2y

2

−xy−x

2

)+y

2

(2y

2

−xy−x

2

)

=4x

2

y

2

−2x

3

y−2x

4

−6xy

3

+3x

2

y

2

+3x

3

y+2y

4

−xy

3

−x

2

y

2

=6x

2

y

2

−x

3

y−7xy

3

+2y

4

−2x

4