2x^2+9x+26=0

Simple and best practice solution for 2x^2+9x+26=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 2x^2+9x+26=0 equation:


Simplifying
2x2 + 9x + 26 = 0

Reorder the terms:
26 + 9x + 2x2 = 0

Solving
26 + 9x + 2x2 = 0

Solving for variable 'x'.

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

Divide each side by '2'.
13 + 4.5x + x2 = 0

Move the constant term to the right:

Add '-13' to each side of the equation.
13 + 4.5x + -13 + x2 = 0 + -13

Reorder the terms:
13 + -13 + 4.5x + x2 = 0 + -13

Combine like terms: 13 + -13 = 0
0 + 4.5x + x2 = 0 + -13
4.5x + x2 = 0 + -13

Combine like terms: 0 + -13 = -13
4.5x + x2 = -13

The x term is 4.5x.  Take half its coefficient (2.25).
Square it (5.0625) and add it to both sides.

Add '5.0625' to each side of the equation.
4.5x + 5.0625 + x2 = -13 + 5.0625

Reorder the terms:
5.0625 + 4.5x + x2 = -13 + 5.0625

Combine like terms: -13 + 5.0625 = -7.9375
5.0625 + 4.5x + x2 = -7.9375

Factor a perfect square on the left side:
(x + 2.25)(x + 2.25) = -7.9375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 8y^2=46y+399 | | 42=8y+13y | | 10-8y=-11 | | d=.5mr | | (3/2)2m=7 | | s^2+2s-120=0 | | -10=14t-14t | | 2(x+(x+5))=210 | | 6+6x= | | X=4-27t+t^3 | | 4x^2y-8xy^2-16xy= | | 2x-3+5x-2=3x+7-2+4x | | 49s^2-27s+14= | | 12z^4+43z^2+35= | | (X+(x+5))=105 | | 3n-7=6+n+3-5 | | 9(n+7)=1+10n | | -6/7-1/2x=-6/5 | | 31+2x=61 | | -(1-x)=-7(1+4x)+6 | | .50n+60=1.3n | | (3p-5)=.66666666666666666 | | 4y+x=23 | | -2.8+(b-1.7)= | | 4+2Ix-yI= | | 60a-34ab-70b^2= | | p=-0.5q+100 | | 9x(2)=16 | | p=-0.5+100 | | 5+3x-2x^2=x+1 | | p=q+10 | | 3(x-6)=2x-17 |

Equations solver categories