3x^2-54x+243=0

Simple and best practice solution for 3x^2-54x+243=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 3x^2-54x+243=0 equation:


Simplifying
3x2 + -54x + 243 = 0

Reorder the terms:
243 + -54x + 3x2 = 0

Solving
243 + -54x + 3x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '3'.
3(81 + -18x + x2) = 0

Factor a trinomial.
3((9 + -1x)(9 + -1x)) = 0

Ignore the factor 3.

Subproblem 1

Set the factor '(9 + -1x)' equal to zero and attempt to solve: Simplifying 9 + -1x = 0 Solving 9 + -1x = 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 + -1x = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -1x = 0 + -9 -1x = 0 + -9 Combine like terms: 0 + -9 = -9 -1x = -9 Divide each side by '-1'. x = 9 Simplifying x = 9

Subproblem 2

Set the factor '(9 + -1x)' equal to zero and attempt to solve: Simplifying 9 + -1x = 0 Solving 9 + -1x = 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 + -1x = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -1x = 0 + -9 -1x = 0 + -9 Combine like terms: 0 + -9 = -9 -1x = -9 Divide each side by '-1'. x = 9 Simplifying x = 9

Solution

x = {9, 9}

See similar equations:

| xln(15)-xln(5)=2ln(5) | | 25=4x-15 | | X^2+2u-4=0 | | 4m+12=23 | | 3n^3+9n^2=30n | | 8x+184=3x+114 | | 3(19/16x-1)+2x=1643/16 | | 0.3(x+50)-0.08(x-20)=23.2 | | y/3+9=9 | | n/2=n/4+3 | | 7x-3y=(-9) | | 4-a=6 | | 2cos^2x=1+2sin^2x | | 3x+18=2x+8+2x+2 | | 3r+8=45r+15 | | 1/2(m-6)=2 | | 4m^2-28-9m=0 | | 5-22=n-3+12 | | 3(19/16*19-1)+2(19) | | 140000+550x=1680x | | v=qs | | 2(2x-y)-3(x-2y)= | | 0.6+3/4+0.37 | | 6+8=8-26 | | -8+12=-132 | | .666y+13=27+.555y | | 1+5n=6 | | 0.6x+0.5(30)=0.4(x+40) | | 57x/16=35/16 | | 15+n/8=17 | | 5(x+y)=20+5y | | -(6y+1)-(5y-7)=1 |

Equations solver categories