20x^2+45x=0

Simple and best practice solution for 20x^2+45x=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 20x^2+45x=0 equation:


Simplifying
20x2 + 45x = 0

Reorder the terms:
45x + 20x2 = 0

Solving
45x + 20x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '5x'.
5x(9 + 4x) = 0

Ignore the factor 5.

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:

| -15-9y=39 | | 4x^2y+44xy-28y=0 | | 119=-39X | | 6*2-1= | | -6(-12)-3y=57 | | -10+2b-9=1-3b | | u^2+14u+14=0 | | 5x^2-74=0 | | x^2+12x+40=0 | | 5x^2-18x-56=0 | | -2j+5=-j | | -6(5)-3y=-57 | | 5x^2=74 | | x^2+14x+26=0 | | 11-9= | | 3x^2-33x+72=0 | | -3c=-9-4c | | 8-9x=74-23x | | 4+7b=8b+8 | | -8+4n=2n | | 8x^2+24x-80=0 | | 5x-10=-50-7 | | 5x^2+61x+12=0 | | -3r=5r+8 | | 5x+228=13x-12 | | a+3=2a-7 | | 15z^2-16z-15=0 | | X^2+11-26=0 | | x-(x*0.065)=5000 | | 4x^7+40x^6+36x^5=0 | | 107-4x=32x+15 | | (a-1)(a+1)-(a-4)(a-4)=5 |

Equations solver categories