Question

Q3. Find the product and find the value of the expression for x =1, y=1
(x2+y2)(2xy - 3y). step by step explanation​

Answer 1

Answer:

=(x^2+y^2)(2xy-3y)

=2x^3y-3x^2y+2xy^3-3y^3

substituting x=1 and y=1, we get

=2-3+2-3

=-2