Question

2. Find the product of (2x + 3y) and (x2 + 2xy + y²), and verify the result by taking x =(-1) and y = 2.
+
...2​

Answer 1

Answer:

(2x+3y)+(x2+2xy+y2)

=(2×-1+3×2)+{(-1})2+2×(-1)×2+(2)2}

=(-2+6)+(1+(-4)+4)

=4+1

=5

Answer 2

Answer:

2x^2 + 7x^2y + 8xy^2 + 3y^3