Question

(4
) Simplify : x² ( x - 3y2 ) - xy ( y2 - 2xy) - x ( yº - 5x2)​

Answer 1

Given x

2

(x−3y

2

)−xy(y

2

−2xy)−x(y

3

−5x

2

)

=x

3

−3x

2

y

2

−xy

3

+2x

2

y

2

−xy

3

+5x

3

=6x

3

−2xy

3

−x

2

y

2