18x^2+x-5=0

Simple and best practice solution for 18x^2+x-5=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 18x^2+x-5=0 equation:


Simplifying
18x2 + x + -5 = 0

Reorder the terms:
-5 + x + 18x2 = 0

Solving
-5 + x + 18x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-5 + -9x)(1 + -2x) = 0

Subproblem 1

Set the factor '(-5 + -9x)' equal to zero and attempt to solve: Simplifying -5 + -9x = 0 Solving -5 + -9x = 0 Move all terms containing x to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + -9x = 0 + 5 Combine like terms: -5 + 5 = 0 0 + -9x = 0 + 5 -9x = 0 + 5 Combine like terms: 0 + 5 = 5 -9x = 5 Divide each side by '-9'. x = -0.5555555556 Simplifying x = -0.5555555556

Subproblem 2

Set the factor '(1 + -2x)' equal to zero and attempt to solve: Simplifying 1 + -2x = 0 Solving 1 + -2x = 0 Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -2x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -2x = 0 + -1 -2x = 0 + -1 Combine like terms: 0 + -1 = -1 -2x = -1 Divide each side by '-2'. x = 0.5 Simplifying x = 0.5

Solution

x = {-0.5555555556, 0.5}

See similar equations:

| 15x^2-11x+7=0 | | 21w^2+20w+4=0 | | w^2-bw-aw+ab=0 | | 3m+4=11 | | y^2-9x-6x^3y^7=0 | | 0.5(x+20)+0.3x=26 | | (x-3)(2x+1)=0 | | 3x+50=x^2-20 | | 3x+7y=0 | | 12(t-2)+3t=5(3t+4)-12 | | 10x-25=6x-25 | | -16t^2+96t+-128=0 | | 4d+2a= | | 1+x= | | -3x+5y=5 | | 16a+14c= | | 5b-2a= | | 4a+6b= | | 2a=3b-5 | | y=x^2+8x-1 | | x+(2x+3)(x-2)=2(x-3)(x+4) | | 3.75x+4.55=1.70x+1.23 | | 10x-12=7x+36 | | 11x+5=5x+60 | | x^2+16y^2=0 | | 6x^3y-54xy=0 | | 100x^4-169y^6=0 | | 4x^6+13x^3+10=0 | | 3x^2+xy-4y^2=0 | | 1.6=fraction | | 5x^6+x^4-20x^2-4=0 | | 5x-1.5=10 |

Equations solver categories