Question

Choose the correct simplification of the expression (−2x + 8y)(9x − 3y)

Answer 1

=-18x^2+78xy-24y^2

Explanation:

(-2x+8y)(9x-3y)

-18x^2+6xy+72yx-24y^2

-18x^2+(6xy+72xy)-24y^2

=18x^2+78xy-24y^2