Solve the equation 2x^{2}+9x-1=x to the nearest 10th

2x2+9x-1=x

Step 1: Subtract x from both sides.

2x2+9x-1-x=x-x

2x2+8x-1=0

Step 2: Use quadratic formula with a=2, b=8, c=-1.

x=

-b±√b2-4ac

2a

x=

- (8) ±√ (8) 2-4 (2) (-1)

2 (2)

x=

-8±√72

4

x=-2+

3

2

√2 or x=-2+

-3

2

√2

Step-by-step explanation:

This is what I got but I'm not 100% positive. I checked it on a calculator and it seemed to check out.