Question

2y-4(2x² + 5x) + 3x² + 8y³ + 4x when x = -1 and y = 2​

Answer 1

79

Explanation:

2(2) - 4(2(-1)^2 + 5(-1)) + 3(-1)^2 + 8(2)^3 + 4(-1)

4 - 4 (2 - 5) + 3 + 64 - 4

4 - 4(-3) + 3 + 64 - 4

4 + 12 + 3 + 64 - 4

16 + 3 + 64 - 4

19 + 64 - 4

83 - 4

79

hope this helps! <3