3x^2=24-x

Simple and best practice solution for 3x^2=24-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 3x^2=24-x equation:


Simplifying
3x2 = 24 + -1x

Solving
3x2 = 24 + -1x

Solving for variable 'x'.

Reorder the terms:
-24 + x + 3x2 = 24 + -1x + -24 + x

Reorder the terms:
-24 + x + 3x2 = 24 + -24 + -1x + x

Combine like terms: 24 + -24 = 0
-24 + x + 3x2 = 0 + -1x + x
-24 + x + 3x2 = -1x + x

Combine like terms: -1x + x = 0
-24 + x + 3x2 = 0

Factor a trinomial.
(-3 + -1x)(8 + -3x) = 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 '(8 + -3x)' equal to zero and attempt to solve: Simplifying 8 + -3x = 0 Solving 8 + -3x = 0 Move all terms containing x to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + -3x = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -3x = 0 + -8 -3x = 0 + -8 Combine like terms: 0 + -8 = -8 -3x = -8 Divide each side by '-3'. x = 2.666666667 Simplifying x = 2.666666667

Solution

x = {-3, 2.666666667}

See similar equations:

| 3(3n+3)=6(8n+2)+9 | | 21x^2+50x+25=0 | | y=12x^3+14x^2+2x | | 2x-8=10+5x-3x | | 75=y^2 | | x^2-6x+9=x-1 | | 3x+10=-25+4x | | 4x^7-12x^5+5x^3-15x=0 | | 51=z^2 | | 6x?/40=230 | | 8(-8n-5)-n=27+2n | | 2(-4)=5x+7 | | z−6/12=-5/12 | | 9x-12=8x-4 | | 2y-6=-8x | | 2y-6=-8 | | 5x+143=12x-11 | | (2x^2)^-3/(6x)^-2 | | -7/8-5/8 | | 10x-11=9x+12 | | 9a-5a-6+3= | | 0.5x=4y-2 | | 3/8-5/8= | | n+4.09=6.83 | | 1114.386=2*3.14*r^2+2*3.14*r*6.5 | | 75/18 | | 4a-1=-2(-2a+8) | | x+(x+1)=z+11 | | 3x+2=8x+1 | | 3m^2+15m=72 | | 60z+50-97=37z+490 | | (3u+1)(2-u)=0 |

Equations solver categories