2y^2-y+7=0

Simple and best practice solution for 2y^2-y+7=0 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 2y^2-y+7=0 equation:


Simplifying
2y2 + -1y + 7 = 0

Reorder the terms:
7 + -1y + 2y2 = 0

Solving
7 + -1y + 2y2 = 0

Solving for variable 'y'.

Begin completing the square.  Divide all terms by
2 the coefficient of the squared term: 

Divide each side by '2'.
3.5 + -0.5y + y2 = 0

Move the constant term to the right:

Add '-3.5' to each side of the equation.
3.5 + -0.5y + -3.5 + y2 = 0 + -3.5

Reorder the terms:
3.5 + -3.5 + -0.5y + y2 = 0 + -3.5

Combine like terms: 3.5 + -3.5 = 0.0
0.0 + -0.5y + y2 = 0 + -3.5
-0.5y + y2 = 0 + -3.5

Combine like terms: 0 + -3.5 = -3.5
-0.5y + y2 = -3.5

The y term is -0.5y.  Take half its coefficient (-0.25).
Square it (0.0625) and add it to both sides.

Add '0.0625' to each side of the equation.
-0.5y + 0.0625 + y2 = -3.5 + 0.0625

Reorder the terms:
0.0625 + -0.5y + y2 = -3.5 + 0.0625

Combine like terms: -3.5 + 0.0625 = -3.4375
0.0625 + -0.5y + y2 = -3.4375

Factor a perfect square on the left side:
(y + -0.25)(y + -0.25) = -3.4375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 4x+7+6x=-33 | | (x+4)(x+14)=900 | | X^2+2xy+y^2+8=0 | | x+3(x-2)=10.4 | | 1+3+2+5=11 | | x^2+6x=-1 | | -5x+40=6x-3x | | (x+14)(x+4)=900 | | 8-u=u+24 | | x-11-2x=13-5x | | 4x+10y= | | 2x+3-5x+4=18 | | -1(5x+8)+12=34 | | 10x+6y=9 | | -1(6x+7)+8=19 | | 8z=9z | | 6x+2=-94-2x | | 6x+2=-94-wx | | -9-b+8b=-12 | | 3-2-6=13 | | (3x-9)(2x+1)= | | Y+2-3y=8 | | 4x=7x-13 | | 2-3x=26-9x | | -5x+6=-30 | | 5n+30=55 | | 4.54+.15x=28.99 | | [24-42]= | | N=0.05t-98.55 | | 4l=11-2w | | 3m^2-5m-2=0 | | (3x+11)(2x-4)= |

Equations solver categories