x(4x+9)=0

Simple and best practice solution for x(4x+9)=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(4x+9)=0 equation: 


Simplifying
x(4x + 9) = 0

Reorder the terms:
x(9 + 4x) = 0
(9 * x + 4x * x) = 0
(9x + 4x2) = 0

Solving
9x + 4x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), 'x'.
x(9 + 4x) = 0


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 '(9 + 4x)' equal to zero and attempt to solve:

Simplifying
9 + 4x = 0

Solving
9 + 4x = 0

Move all terms containing x to the left, all other terms to the right.

Add '-9' to each side of the equation.
9 + -9 + 4x = 0 + -9

Combine like terms: 9 + -9 = 0
0 + 4x = 0 + -9
4x = 0 + -9

Combine like terms: 0 + -9 = -9
4x = -9

Divide each side by '4'.
x = -2.25

Simplifying
x = -2.25
Solution
x = {0, -2.25}

See similar equations:

| 7n-n=19+5 | | kx^2+3x+1=0 | | 74=13+x+1-7+8 | | -4(-2w+7)=-20 | | 6x^2-11x-3=0 | | x^3=32 | | 7(3s-1)=-49 | | 102=19-16+a | | 6(d+1)-6=18 | | b^2+2b=15 | | 12-16+7+g=61 | | 12-16+7+g= | | -5(x+8)=5 | | s-2-13-15+7=61 | | 2(y+3)=10 | | 1/2+2/4= | | 7y^2+9=0 | | 15-18+t+6-19=13 | | 2p-5p=18 | | 17-X=14 | | 83-75=27y-35y | | 88=17-1-4+e-16 | | 14=X+2 | | 44=18+h-9-13 | | -2+11=5b-4-4b | | 6(x+4)=90 | | 7n-n=14+5 | | 120=(60-x)(x) | | 4.5x+4=48-x | | 41=15+13+3-d+19 | | p(x)=x^2-4x+7 | | 7a(3a-9)=0 |

Equations solver categories