6x^2-23x+18=0

Simple and best practice solution for 6x^2-23x+18=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 6x^2-23x+18=0 equation:


Simplifying
6x2 + -23x + 18 = 0

Reorder the terms:
18 + -23x + 6x2 = 0

Solving
18 + -23x + 6x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
6 the coefficient of the squared term: 

Divide each side by '6'.
3 + -3.833333333x + x2 = 0

Move the constant term to the right:

Add '-3' to each side of the equation.
3 + -3.833333333x + -3 + x2 = 0 + -3

Reorder the terms:
3 + -3 + -3.833333333x + x2 = 0 + -3

Combine like terms: 3 + -3 = 0
0 + -3.833333333x + x2 = 0 + -3
-3.833333333x + x2 = 0 + -3

Combine like terms: 0 + -3 = -3
-3.833333333x + x2 = -3

The x term is -3.833333333x.  Take half its coefficient (-1.916666667).
Square it (3.673611112) and add it to both sides.

Add '3.673611112' to each side of the equation.
-3.833333333x + 3.673611112 + x2 = -3 + 3.673611112

Reorder the terms:
3.673611112 + -3.833333333x + x2 = -3 + 3.673611112

Combine like terms: -3 + 3.673611112 = 0.673611112
3.673611112 + -3.833333333x + x2 = 0.673611112

Factor a perfect square on the left side:
(x + -1.916666667)(x + -1.916666667) = 0.673611112

Calculate the square root of the right side: 0.820738151

Break this problem into two subproblems by setting 
(x + -1.916666667) equal to 0.820738151 and -0.820738151.

Subproblem 1

x + -1.916666667 = 0.820738151 Simplifying x + -1.916666667 = 0.820738151 Reorder the terms: -1.916666667 + x = 0.820738151 Solving -1.916666667 + x = 0.820738151 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.916666667' to each side of the equation. -1.916666667 + 1.916666667 + x = 0.820738151 + 1.916666667 Combine like terms: -1.916666667 + 1.916666667 = 0.000000000 0.000000000 + x = 0.820738151 + 1.916666667 x = 0.820738151 + 1.916666667 Combine like terms: 0.820738151 + 1.916666667 = 2.737404818 x = 2.737404818 Simplifying x = 2.737404818

Subproblem 2

x + -1.916666667 = -0.820738151 Simplifying x + -1.916666667 = -0.820738151 Reorder the terms: -1.916666667 + x = -0.820738151 Solving -1.916666667 + x = -0.820738151 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.916666667' to each side of the equation. -1.916666667 + 1.916666667 + x = -0.820738151 + 1.916666667 Combine like terms: -1.916666667 + 1.916666667 = 0.000000000 0.000000000 + x = -0.820738151 + 1.916666667 x = -0.820738151 + 1.916666667 Combine like terms: -0.820738151 + 1.916666667 = 1.095928516 x = 1.095928516 Simplifying x = 1.095928516

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.737404818, 1.095928516}

See similar equations:

| 5y=2x-0 | | 3x^2-48=27 | | 5x-9=-3x+11 | | 3x+6+40=90 | | 3e^5x=1989 | | 3e^5x=1988 | | 2m+3=80 | | 5x-3(x+7)=5x+9 | | 7a+2b=-6 | | 9+3(2-x)=-9 | | 3x+5+x+5=66 | | 3(2s+4)+5(-3s+2)= | | 7a+2(4)=-6 | | 66.96=9.3t | | 3x+5+49=90 | | 28=4/7x | | 3x^3=5 | | 31/35-1/2=3x | | 0.875z=19.25 | | 7a+8=-6 | | (X+25)+x=135 | | 12+x+5x=180 | | 4+6m=9+5m | | 25=1.5b | | m3/10=8/2 | | 8*n^2=64*n*lgn | | (121/100)^(-3/2) | | 9/7=n/3 | | b/8=10/2 | | 5e^2x+1=250 | | 3w+3(6w+8)=-102 | | 2t+10=3t |

Equations solver categories