5x^2+9=18x

Simple and best practice solution for 5x^2+9=18x 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 5x^2+9=18x equation:


Simplifying
5x2 + 9 = 18x

Reorder the terms:
9 + 5x2 = 18x

Solving
9 + 5x2 = 18x

Solving for variable 'x'.

Reorder the terms:
9 + -18x + 5x2 = 18x + -18x

Combine like terms: 18x + -18x = 0
9 + -18x + 5x2 = 0

Factor a trinomial.
(3 + -5x)(3 + -1x) = 0

Subproblem 1

Set the factor '(3 + -5x)' equal to zero and attempt to solve: Simplifying 3 + -5x = 0 Solving 3 + -5x = 0 Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -5x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -5x = 0 + -3 -5x = 0 + -3 Combine like terms: 0 + -3 = -3 -5x = -3 Divide each side by '-5'. x = 0.6 Simplifying x = 0.6

Subproblem 2

Set the factor '(3 + -1x)' equal to zero and attempt to solve: Simplifying 3 + -1x = 0 Solving 3 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -1x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1x = 0 + -3 -1x = 0 + -3 Combine like terms: 0 + -3 = -3 -1x = -3 Divide each side by '-1'. x = 3 Simplifying x = 3

Solution

x = {0.6, 3}

See similar equations:

| 15x+95=12x+125 | | -(9x+2)+13x+7=-8x+13 | | x+4y=5z | | y=2x+.05 | | 2q-3=q+3 | | 1-32m-27m=60 | | -8v+5=4v-7 | | (3x+20)+(8x-16)=180 | | 48x-240y=a | | 2x-5(3x-4)=-6 | | 5x-12=2x+39 | | 46-2x=22 | | 2x+28=24 | | 4+x=-16 | | 22+2x=90 | | X+7=-4x+4 | | 2(x-1)+4=x+2 | | 3(x^4+x^2-24)=0 | | 22+2x=180 | | 0+x=6 | | 5(3-2b)+5n=65 | | 7a=5a+4 | | 4(-3x+7)=-20 | | 3(2(-8)+1)= | | 8x+5=2-15 | | x+8=13-2 | | 23=y+5-7y | | 36+6x=90 | | 13(9-2x)=x-1 | | 12a+6b-a-3b= | | n+9+n+7= | | =3p+1-5p+7 |

Equations solver categories