Question

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

Answer 1

Answer:

10

Step-by-step explanation:

we have put x= -2

then we get answer

Answer 2

Step-by-step explanation:

x(2x- 1) + 5 x = -2

2x^2 - x + 5

2(-2)^2 - (-2) + 5 =

2(4) + 2 + 5 = 8 + 7

= 15

therefore the answer is 15.

hope it helps !!