Question

If x = -4, calculate the value of:
2x^2 + x

Answer 1

28

Explanation:

Substitute x = - 4 into the expression and evaluate

2x² + x

= 2(- 4)² + (- 4)

= 2(16) - 4

= 32 - 4

= 28

Answer 2

Hope this will help u...