0=x^2+4x+9x

Simple and best practice solution for 0=x^2+4x+9x 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+4x+9x equation:


Simplifying
0 = x2 + 4x + 9x

Reorder the terms:
0 = 4x + 9x + x2

Combine like terms: 4x + 9x = 13x
0 = 13x + x2

Solving
0 = 13x + x2

Solving for variable 'x'.
Remove the zero:
-13x + -1x2 = 13x + x2 + -13x + -1x2

Reorder the terms:
-13x + -1x2 = 13x + -13x + x2 + -1x2

Combine like terms: 13x + -13x = 0
-13x + -1x2 = 0 + x2 + -1x2
-13x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
-13x + -1x2 = 0

Factor out the Greatest Common Factor (GCF), '-1x'.
-1x(13 + x) = 0

Ignore the factor -1.

Subproblem 1

Set the factor 'x' equal to zero and attempt to solve: Simplifying x = 0 Solving x = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x = 0

Subproblem 2

Set the factor '(13 + x)' equal to zero and attempt to solve: Simplifying 13 + x = 0 Solving 13 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-13' to each side of the equation. 13 + -13 + x = 0 + -13 Combine like terms: 13 + -13 = 0 0 + x = 0 + -13 x = 0 + -13 Combine like terms: 0 + -13 = -13 x = -13 Simplifying x = -13

Solution

x = {0, -13}

See similar equations:

| 3(z-23)=39-3(z-3) | | 3.67x-5.3(x-1.932)=6.99 | | 2j+10=12 | | 17w-15w-w=18 | | 3n-1+2n=2 | | 3[5a-4a(2a+3b)+16a]= | | -60=93+9x | | x/2*3=14 | | 7-43s=-6s^2 | | 15h-14h=6 | | 4x^4+11x^2-3=0 | | 4(3n+5)=7(9n+9)+9 | | 9a-2a+84=7 | | -4(2y-8)-y=-2(y-3) | | -30-6c=4c | | 3*X^2+38*X+8=0 | | 2f-6=18 | | x+2+22x+3=4x | | 5x+4=2(2x+6) | | 0.09-0.03(x+1)=-0.02(2-x) | | -3u(u-1)(u-6)=0 | | 3(z-3)=39-3(z-2) | | st=2t+4s | | 6(p+2)-2p=4p+12 | | 4c-6=38 | | 49x^2-126x+81=(7x-9) | | 3x-5x+5=x-7+12 | | 2+15x=24x-5 | | 2p-3=45 | | 5(x+4)4(y+6)= | | -(s^2-4s-5)=0 | | (z-9)(z-8)=0 |

Equations solver categories