5x^2+9x=18

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


Simplifying
5x2 + 9x = 18

Reorder the terms:
9x + 5x2 = 18

Solving
9x + 5x2 = 18

Solving for variable 'x'.

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

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

Factor a trinomial.
(-3 + -1x)(6 + -5x) = 0

Subproblem 1

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

Subproblem 2

Set the factor '(6 + -5x)' equal to zero and attempt to solve: Simplifying 6 + -5x = 0 Solving 6 + -5x = 0 Move all terms containing x to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + -5x = 0 + -6 Combine like terms: 6 + -6 = 0 0 + -5x = 0 + -6 -5x = 0 + -6 Combine like terms: 0 + -6 = -6 -5x = -6 Divide each side by '-5'. x = 1.2 Simplifying x = 1.2

Solution

x = {-3, 1.2}

See similar equations:

| c+(c+1)=1.10 | | -2-5=-6+x | | 5x^2+24x=-27 | | 4x^2+19x=-21 | | x^2-12x^2=14 | | 2w^2+15w+23=w+3 | | 29-3x^20 | | 2x^2=14x | | 2w(9w-2)=0 | | 17(x-4)=-8-9 | | -5x^2+20=0 | | -x+5y=7 | | 7-0.7(b-17)=0.4(b-17) | | 3x+2y-8=0 | | 7-7x=42 | | 5x-3y= | | n^2+7n-8=0 | | 29y=4(7y-3) | | 2x+127.50=3312.50 | | 7x+7-6x=12 | | -5x-5x=94-4 | | 2z=17-19 | | 8x-(3x-8)=2+4x | | 2z=17-9 | | 2x+3-4(x+1)=5x+3 | | 4x+3x-4=7x+12-4x | | 6x^9y^7+42x^7y^6+30xy=0 | | 9x+4=x-11 | | x^2+5x=48 | | x^2+3-28=0 | | 4x+3x=7x+12 | | 6w-9w=9 |

Equations solver categories