Question

Evaluate: if x = 3 and y = 6 x(2x + x2 – 8y + 16)​

Answer 1

-60

Explanation:

Og problem: x(2x + 2x - 8y + 16)

Substitution: 3(6 + 6 - 48 + 16)

Solve: 3(12 - 48 + 16)

3(-36 + 16)

3(-20) = -60