x^2+9x+26=0

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


Simplifying
x2 + 9x + 26 = 0

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

Solving
26 + 9x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-26' to each side of the equation.
26 + 9x + -26 + x2 = 0 + -26

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

Combine like terms: 26 + -26 = 0
0 + 9x + x2 = 0 + -26
9x + x2 = 0 + -26

Combine like terms: 0 + -26 = -26
9x + x2 = -26

The x term is 9x.  Take half its coefficient (4.5).
Square it (20.25) and add it to both sides.

Add '20.25' to each side of the equation.
9x + 20.25 + x2 = -26 + 20.25

Reorder the terms:
20.25 + 9x + x2 = -26 + 20.25

Combine like terms: -26 + 20.25 = -5.75
20.25 + 9x + x2 = -5.75

Factor a perfect square on the left side:
(x + 4.5)(x + 4.5) = -5.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 19-6x=-11 | | a+3+2a=-1+2a+4 | | y=-x^2+19x-90 | | ln(x)=9 | | 18x-25x+24=0 | | 6(2n-6)=-18 | | 18-25x+24=0 | | -8y-14+1y=-5 | | n+2-3n=(-8) | | 3(m+7)=27 | | -3y=-2x-18 | | 37x-x^2= | | 22x+3y=121 | | x^2+3x+2=x-4x^2 | | -2y+9(-1y-4)=9-6(6-y) | | 12(2w-9)=6(4w+7) | | x^2+13x-198=0 | | 8cos^2x-2cosx-1=0 | | 8x^2-80x+72=0 | | 7x+5y=12.40 | | 2(b^2+16b+64)=0 | | 32n^2-162=0 | | x^4-3x^3+2x^2-x+3=0 | | h=-4.9t^2+14t+10 | | X-6y+24=0 | | X=e(25) | | (7+y)(5y+3)=0 | | -k^2-9k-8=0 | | 2(n^2-11+10)=0 | | 250=28+18+10+51x+x+51x+x | | 3/1-2n/12=2/3 | | 2ln(x-1)=0 |

Equations solver categories