Question

Evaluate the expression.
10x - 3x2 when x = 2

Answer 1

Answer:8 or -16

Explanation:

a) If you mean 10x - 3(x²) when x=2

10(2)- 3(2²)= 20-12=8

b) If you meant 10x - 3x²=

10(2)-(3 x 2)²= 20-6²

20-36=-16

Answer 2

8

Explanation: