Question

What is the value of the expression below when x=4?
2x2+x-5

Answer 1

3

Explanation:

(2×2)+x-5

=4+x-5

=4+(4)-5

=8-5

=3

Answer 2

2x2+x-5

using x=4

(2×2)+4-5

4+(-1)

4-1=3