erHastineshKiereoh erHastineshKiereoh 03-10-2016 Mathematics contestada Choose the correct simplification of the expression (−2x 8y)(9x − 3y).−18x2 78xy − 24y218x2 78xy − 24y2−18x2 − 78xy 24y2−18x2 72xy − 24y2