12x*3-4x^2+3x-1=0

Simple and best practice solution for 12x*3-4x^2+3x-1=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 12x*3-4x^2+3x-1=0 equation:


Simplifying
12x * 3 + -4x2 + 3x + -1 = 0

Reorder the terms for easier multiplication:
12 * 3x + -4x2 + 3x + -1 = 0

Multiply 12 * 3
36x + -4x2 + 3x + -1 = 0

Reorder the terms:
-1 + 36x + 3x + -4x2 = 0

Combine like terms: 36x + 3x = 39x
-1 + 39x + -4x2 = 0

Solving
-1 + 39x + -4x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
-4 the coefficient of the squared term: 

Divide each side by '-4'.
0.25 + -9.75x + x2 = 0

Move the constant term to the right:

Add '-0.25' to each side of the equation.
0.25 + -9.75x + -0.25 + x2 = 0 + -0.25

Reorder the terms:
0.25 + -0.25 + -9.75x + x2 = 0 + -0.25

Combine like terms: 0.25 + -0.25 = 0.00
0.00 + -9.75x + x2 = 0 + -0.25
-9.75x + x2 = 0 + -0.25

Combine like terms: 0 + -0.25 = -0.25
-9.75x + x2 = -0.25

The x term is -9.75x.  Take half its coefficient (-4.875).
Square it (23.765625) and add it to both sides.

Add '23.765625' to each side of the equation.
-9.75x + 23.765625 + x2 = -0.25 + 23.765625

Reorder the terms:
23.765625 + -9.75x + x2 = -0.25 + 23.765625

Combine like terms: -0.25 + 23.765625 = 23.515625
23.765625 + -9.75x + x2 = 23.515625

Factor a perfect square on the left side:
(x + -4.875)(x + -4.875) = 23.515625

Calculate the square root of the right side: 4.849291185

Break this problem into two subproblems by setting 
(x + -4.875) equal to 4.849291185 and -4.849291185.

Subproblem 1

x + -4.875 = 4.849291185 Simplifying x + -4.875 = 4.849291185 Reorder the terms: -4.875 + x = 4.849291185 Solving -4.875 + x = 4.849291185 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4.875' to each side of the equation. -4.875 + 4.875 + x = 4.849291185 + 4.875 Combine like terms: -4.875 + 4.875 = 0.000 0.000 + x = 4.849291185 + 4.875 x = 4.849291185 + 4.875 Combine like terms: 4.849291185 + 4.875 = 9.724291185 x = 9.724291185 Simplifying x = 9.724291185

Subproblem 2

x + -4.875 = -4.849291185 Simplifying x + -4.875 = -4.849291185 Reorder the terms: -4.875 + x = -4.849291185 Solving -4.875 + x = -4.849291185 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4.875' to each side of the equation. -4.875 + 4.875 + x = -4.849291185 + 4.875 Combine like terms: -4.875 + 4.875 = 0.000 0.000 + x = -4.849291185 + 4.875 x = -4.849291185 + 4.875 Combine like terms: -4.849291185 + 4.875 = 0.025708815 x = 0.025708815 Simplifying x = 0.025708815

Solution

The solution to the problem is based on the solutions from the subproblems. x = {9.724291185, 0.025708815}

See similar equations:

| 24x^2+100=100x | | 4+42x=28x+6 | | x^2+2x-1.35=0 | | 25+70x+49x^2=0 | | 4q^2-7q=3q^2-9q+35 | | 0=2.5b-5b-420 | | -11=3x+13 | | 5-2x=2x+7 | | 24=n-5 | | 14x-7=12x+5 | | p-p^2=0.42 | | Y=-16x^2+25x+3 | | -9=x-2x+2 | | 12=11x-2x^2 | | 4s^2-51s+140=0 | | 12k-11=4k-5 | | -25x+784=817-36x | | 42-4y=18 | | 7x+62=2x+22 | | 8x+4=8x-7 | | tan(x-90)=1 | | x^2-x+0.42=0 | | (5x-2)+(3x+1)= | | 9x^2-x=8 | | 7x+16=2x+6 | | (x^(3/2))-27=0 | | 2x+x+x+102=180 | | 75q^3=3 | | x-6=54/9 | | Y=5x^2+20x+10 | | 6.28*33*15= | | 160000*2000=0 |

Equations solver categories