3x^2-6x+4=5

Simple and best practice solution for 3x^2-6x+4=5 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^2-6x+4=5 equation:


Simplifying
3x2 + -6x + 4 = 5

Reorder the terms:
4 + -6x + 3x2 = 5

Solving
4 + -6x + 3x2 = 5

Solving for variable 'x'.

Reorder the terms:
4 + -5 + -6x + 3x2 = 5 + -5

Combine like terms: 4 + -5 = -1
-1 + -6x + 3x2 = 5 + -5

Combine like terms: 5 + -5 = 0
-1 + -6x + 3x2 = 0

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

Divide each side by '3'.
-0.3333333333 + -2x + x2 = 0

Move the constant term to the right:

Add '0.3333333333' to each side of the equation.
-0.3333333333 + -2x + 0.3333333333 + x2 = 0 + 0.3333333333

Reorder the terms:
-0.3333333333 + 0.3333333333 + -2x + x2 = 0 + 0.3333333333

Combine like terms: -0.3333333333 + 0.3333333333 = 0.0000000000
0.0000000000 + -2x + x2 = 0 + 0.3333333333
-2x + x2 = 0 + 0.3333333333

Combine like terms: 0 + 0.3333333333 = 0.3333333333
-2x + x2 = 0.3333333333

The x term is -2x.  Take half its coefficient (-1).
Square it (1) and add it to both sides.

Add '1' to each side of the equation.
-2x + 1 + x2 = 0.3333333333 + 1

Reorder the terms:
1 + -2x + x2 = 0.3333333333 + 1

Combine like terms: 0.3333333333 + 1 = 1.3333333333
1 + -2x + x2 = 1.3333333333

Factor a perfect square on the left side:
(x + -1)(x + -1) = 1.3333333333

Calculate the square root of the right side: 1.154700538

Break this problem into two subproblems by setting 
(x + -1) equal to 1.154700538 and -1.154700538.

Subproblem 1

x + -1 = 1.154700538 Simplifying x + -1 = 1.154700538 Reorder the terms: -1 + x = 1.154700538 Solving -1 + x = 1.154700538 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + x = 1.154700538 + 1 Combine like terms: -1 + 1 = 0 0 + x = 1.154700538 + 1 x = 1.154700538 + 1 Combine like terms: 1.154700538 + 1 = 2.154700538 x = 2.154700538 Simplifying x = 2.154700538

Subproblem 2

x + -1 = -1.154700538 Simplifying x + -1 = -1.154700538 Reorder the terms: -1 + x = -1.154700538 Solving -1 + x = -1.154700538 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + x = -1.154700538 + 1 Combine like terms: -1 + 1 = 0 0 + x = -1.154700538 + 1 x = -1.154700538 + 1 Combine like terms: -1.154700538 + 1 = -0.154700538 x = -0.154700538 Simplifying x = -0.154700538

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.154700538, -0.154700538}

See similar equations:

| 12=u+4 | | 3+12/(t-7)=0 | | z+32=5y+10 | | 6t=5t-6 | | (-9x^3+3x^2-15x)/(-3x) | | 14x+6=-4x^2 | | 8v-2=9v+3 | | 3(m^2+4)=2om | | 5/8*x=40 | | 3(x+1)-5=10 | | 4x+7=3x-18 | | 2x+70/420 | | 7(5+6)-8= | | 5x+3x-9x+2x=4 | | -0.5z+1.25=3.5z+0.5 | | 9x+63=420 | | 4-(x+2)=8 | | 5+(25/(n-5))=125/(n^2-5n) | | 4x+42x=25-15 | | 3(2x-5)+4x-8=12 | | -4+2p=14 | | 2x^2-12x-10=0 | | 6ln(4x)=12 | | 5=v-8 | | 3(z-9)-z(z-9)=0 | | 30+4k=-3(-7k-3)+4k | | -3x+3(4x-5)=21 | | 12x-7=(12/x) | | (x+1)+3x=17 | | 9.9=1.8r | | -2(1-7x)=-38+8x | | 3n^3-21n^2+30n=0 |

Equations solver categories