Question

Given that x = 5 and y = 9, evaluate the expression using -4xy - 6x2 + 2x2y - 6y

Answer 1

66

Explanation:

Put the numbers in place of the corresponding variables and do the arithmetic.

-4(5)(9) -6(5)^2 +2(5)^2(9) -6(9) = -180 -150 +450 -54 = 66