0=x^2+9x+256

Simple and best practice solution for 0=x^2+9x+256 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 0=x^2+9x+256 equation:


Simplifying
0 = x2 + 9x + 256

Reorder the terms:
0 = 256 + 9x + x2

Solving
0 = 256 + 9x + x2

Solving for variable 'x'.

Combine like terms: 0 + -256 = -256
-256 + -9x + -1x2 = 256 + 9x + x2 + -256 + -9x + -1x2

Reorder the terms:
-256 + -9x + -1x2 = 256 + -256 + 9x + -9x + x2 + -1x2

Combine like terms: 256 + -256 = 0
-256 + -9x + -1x2 = 0 + 9x + -9x + x2 + -1x2
-256 + -9x + -1x2 = 9x + -9x + x2 + -1x2

Combine like terms: 9x + -9x = 0
-256 + -9x + -1x2 = 0 + x2 + -1x2
-256 + -9x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
-256 + -9x + -1x2 = 0

Factor out the Greatest Common Factor (GCF), '-1'.
-1(256 + 9x + x2) = 0

Ignore the factor -1.

Subproblem 1

Set the factor '(256 + 9x + x2)' equal to zero and attempt to solve: Simplifying 256 + 9x + x2 = 0 Solving 256 + 9x + x2 = 0 Begin completing the square. Move the constant term to the right: Add '-256' to each side of the equation. 256 + 9x + -256 + x2 = 0 + -256 Reorder the terms: 256 + -256 + 9x + x2 = 0 + -256 Combine like terms: 256 + -256 = 0 0 + 9x + x2 = 0 + -256 9x + x2 = 0 + -256 Combine like terms: 0 + -256 = -256 9x + x2 = -256 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 = -256 + 20.25 Reorder the terms: 20.25 + 9x + x2 = -256 + 20.25 Combine like terms: -256 + 20.25 = -235.75 20.25 + 9x + x2 = -235.75 Factor a perfect square on the left side: (x + 4.5)(x + 4.5) = -235.75 Can't calculate square root of the right side. The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.

See similar equations:

| x=8-1/4-6 | | 56=45+6 | | 4(.6n-3)-.2(2n-3)= | | 3/4n+6=15 | | 10a^2=180 | | -4b-8+4b=-8 | | 0.75(4x-8)=12 | | 4x^2-15=241 | | 4x-2.7=4.3-3x | | -10x+(-5x)-6=129 | | 24=1-6k-7 | | 40*6=y | | 12-5= | | 9x+10x+11=87 | | 640=2(3w-12)+w | | 40*6= | | -5y^2+13=3 | | Y=-4(4) | | 4x+10=-5x-(-82) | | 6x+18/18 | | (0,2*0,7)-(4*0,01)/0,5*0,2 | | (0,2*0,7)-(4*0,01)/(0,5*0,2) | | 1/4x16 | | x=90-2y | | 21=11x-6x+1 | | -5x-9y=-8 | | 32-5x=4x+22 | | 21-10x=15-13x | | 15+3=1228 | | 4x+11=46-x | | -3x^2=-48 | | 5y+x+x-y=180 |

Equations solver categories