Question

6. Simplify the expression x(2x-1) + 5 and find its value at x = -2.​

Answer 1

Step-by-step explanation:

x(2x-1)+5

=-2(2×-2-1)+5

=-2(-5)+5

=10+5

=15

Answer 2

Step-by-step explanation:

given x = -2

x(2x-1)+5

2x2-x+5

2(-2)2-(-2)+5

2×4+2+5

8+2+5

15

I hope it helps you