5x^2=18+x

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


Simplifying
5x2 = 18 + x

Solving
5x2 = 18 + x

Solving for variable 'x'.

Reorder the terms:
-18 + -1x + 5x2 = 18 + x + -18 + -1x

Reorder the terms:
-18 + -1x + 5x2 = 18 + -18 + x + -1x

Combine like terms: 18 + -18 = 0
-18 + -1x + 5x2 = 0 + x + -1x
-18 + -1x + 5x2 = x + -1x

Combine like terms: x + -1x = 0
-18 + -1x + 5x2 = 0

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

Subproblem 1

Set the factor '(-9 + -5x)' equal to zero and attempt to solve: Simplifying -9 + -5x = 0 Solving -9 + -5x = 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 + -5x = 0 + 9 Combine like terms: -9 + 9 = 0 0 + -5x = 0 + 9 -5x = 0 + 9 Combine like terms: 0 + 9 = 9 -5x = 9 Divide each side by '-5'. x = -1.8 Simplifying x = -1.8

Subproblem 2

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

Solution

x = {-1.8, 2}

See similar equations:

| 8x^2+10x-8=0 | | 17=3j--3 | | Y=-1/2x+2 | | 17=-3w+5 | | a+7b=10 | | 3/(x-4)=4/x | | n/2-8=-5 | | (10.5*-2-3)/4=-6 | | -2(x+3)= | | 3x-10=-3x+32 | | a^2b^2+5ab+6=0 | | 5x-(3x+7)+10=17 | | 8x^2=18+x | | K/6-k-3/k=4 | | 15x+6(3y-2)=19 | | 2x+12=x-2+16+x-2 | | (K/6-k)-(3/k)=4 | | (10.5*-2-3)/4 | | -2.3=23-x | | 57/9+35/12 | | 4w^5/3w*7/w | | 9/30=5x/30 | | 2+3x=x | | -5.8+x=18 | | 11X+9=75 | | 5m-12=33 | | 13/8+25/6 | | j/5+3=9 | | X+96=-3x | | 8-3(x-4)=9 | | u^2+5u+(25/4)=0 | | 2y-11=23 |

Equations solver categories