Question

Questions
Simplify the following expressions and evaluate it when x = 1, y = -1
(5xy – 3x2 + 2y2) × (5y2 – 8xy + 3x2) + 9x®y – 8y4 + 12x4​

Answer 1

Answer:

11

Step-by-step explanation:

[5(1)(-1) - 6 + 2(-1)2] x [5(-1)2 - 8(1)(-1) + 6] + 9(1)(-1) - 8(-1)4 + 48

-15 x 4 + 71

11