Question

Subtract -4x2y-y3 from x3+3xy2-x2y​

Answer 1

Answer:

The subtraction is carried out as follows,

(y

3

−3xy

2

−4x

2

y)−(x

3

+2x

2

y+6xy

2

−y

3

)

=y

3

−3xy

2

−4x

2

y−x

3

−2x

2

y−6xy

2

+y

3

Rearranging the like terms together,

=(y

3

+y

3

)+(−3xy

2

−6xy

2

)+(−4x

2

y−2x

2

y)−x

3

=2y

3

−9xy

2

−6x

2

y−x

3