Question

Multiply x2 + 2y by x3 – 2xy + y3 and find the value of the product for x = 1 and y = -1.

Answer 1

Answer:

answer=6

Step-by-step explanation:

x^2=1^2=1

2y=-2

x^3=1^3=1

2xy=-2

y^3=-1^3=-1

[1+(-2)]×[2-(-2)+(-1)]

-1×-6

=6