3x^2=-9x+54

Simple and best practice solution for 3x^2=-9x+54 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=-9x+54 equation:


Simplifying
3x2 = -9x + 54

Reorder the terms:
3x2 = 54 + -9x

Solving
3x2 = 54 + -9x

Solving for variable 'x'.

Reorder the terms:
-54 + 9x + 3x2 = 54 + -9x + -54 + 9x

Reorder the terms:
-54 + 9x + 3x2 = 54 + -54 + -9x + 9x

Combine like terms: 54 + -54 = 0
-54 + 9x + 3x2 = 0 + -9x + 9x
-54 + 9x + 3x2 = -9x + 9x

Combine like terms: -9x + 9x = 0
-54 + 9x + 3x2 = 0

Factor out the Greatest Common Factor (GCF), '3'.
3(-18 + 3x + x2) = 0

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

Ignore the factor 3.

Subproblem 1

Set the factor '(-6 + -1x)' equal to zero and attempt to solve: Simplifying -6 + -1x = 0 Solving -6 + -1x = 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 + -1x = 0 + 6 Combine like terms: -6 + 6 = 0 0 + -1x = 0 + 6 -1x = 0 + 6 Combine like terms: 0 + 6 = 6 -1x = 6 Divide each side by '-1'. x = -6 Simplifying x = -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 = {-6, 3}

See similar equations:

| 2x+12=75-x | | (x^8/16)^3/4 | | y=-11+x | | 2x=8sq | | 2x=y+58 | | (A+4b)(x+4)= | | 91/3x= | | 10k-2(1.4k+12)=6(1.2+4) | | .27x=29 | | 5(x+2)=9(y+2x) | | 8y+14=70 | | 12p^2+1=4p | | 8x-6=6x-3 | | 12n^2+4n=-3 | | 3x+2y=16x-8y | | -5(5n+3)=20 | | 29-y-5=2x | | 2x=4-6y | | f(x)=k(x+a)(x-b) | | 3n^2+3n-28=2n^2 | | x=30-33 | | -11x=143 | | x(x-4)=4(x+5) | | 12x+30+4x=10+x | | 16y^2/16 | | (U-4)(u-2)=0 | | x=-4x+35 | | y=-2y+300 | | 29-2x+5=y | | (8x-4)+(x^2+31)=180 | | (9+z)(4z-7)=0 | | sn=8/n |

Equations solver categories