2x^2-6x+5=2

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


Simplifying
2x2 + -6x + 5 = 2

Reorder the terms:
5 + -6x + 2x2 = 2

Solving
5 + -6x + 2x2 = 2

Solving for variable 'x'.

Reorder the terms:
5 + -2 + -6x + 2x2 = 2 + -2

Combine like terms: 5 + -2 = 3
3 + -6x + 2x2 = 2 + -2

Combine like terms: 2 + -2 = 0
3 + -6x + 2x2 = 0

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

Divide each side by '2'.
1.5 + -3x + x2 = 0

Move the constant term to the right:

Add '-1.5' to each side of the equation.
1.5 + -3x + -1.5 + x2 = 0 + -1.5

Reorder the terms:
1.5 + -1.5 + -3x + x2 = 0 + -1.5

Combine like terms: 1.5 + -1.5 = 0.0
0.0 + -3x + x2 = 0 + -1.5
-3x + x2 = 0 + -1.5

Combine like terms: 0 + -1.5 = -1.5
-3x + x2 = -1.5

The x term is -3x.  Take half its coefficient (-1.5).
Square it (2.25) and add it to both sides.

Add '2.25' to each side of the equation.
-3x + 2.25 + x2 = -1.5 + 2.25

Reorder the terms:
2.25 + -3x + x2 = -1.5 + 2.25

Combine like terms: -1.5 + 2.25 = 0.75
2.25 + -3x + x2 = 0.75

Factor a perfect square on the left side:
(x + -1.5)(x + -1.5) = 0.75

Calculate the square root of the right side: 0.866025404

Break this problem into two subproblems by setting 
(x + -1.5) equal to 0.866025404 and -0.866025404.

Subproblem 1

x + -1.5 = 0.866025404 Simplifying x + -1.5 = 0.866025404 Reorder the terms: -1.5 + x = 0.866025404 Solving -1.5 + x = 0.866025404 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.5' to each side of the equation. -1.5 + 1.5 + x = 0.866025404 + 1.5 Combine like terms: -1.5 + 1.5 = 0.0 0.0 + x = 0.866025404 + 1.5 x = 0.866025404 + 1.5 Combine like terms: 0.866025404 + 1.5 = 2.366025404 x = 2.366025404 Simplifying x = 2.366025404

Subproblem 2

x + -1.5 = -0.866025404 Simplifying x + -1.5 = -0.866025404 Reorder the terms: -1.5 + x = -0.866025404 Solving -1.5 + x = -0.866025404 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.5' to each side of the equation. -1.5 + 1.5 + x = -0.866025404 + 1.5 Combine like terms: -1.5 + 1.5 = 0.0 0.0 + x = -0.866025404 + 1.5 x = -0.866025404 + 1.5 Combine like terms: -0.866025404 + 1.5 = 0.633974596 x = 0.633974596 Simplifying x = 0.633974596

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.366025404, 0.633974596}

See similar equations:

| x^2+10x-35=0 | | n=1 | | 19+m=3 | | -(8y+1)-(-7y-8)=-1 | | 3X+8Y=7 | | 16(2x-9)=4(8x+1) | | -32-6x=16-9x | | 8n-32=6(8+8n) | | z-18=-14 | | 3-y=14 | | x+12=x+3x | | 4+z+2=20+2z | | 3x^2+10x-6=2 | | 4(x-1)=2(8x+2) | | 6+13x-5=9x+11-6x | | 3+14s-2=7s+109-5s | | y-21=15 | | .5x=15 | | y=1.5x-0.5 | | -6x+6=78 | | n+7=20 | | n+4/5=8 | | 2s+11s=104 | | -9x+a-7x+3a= | | x^3-16x^2+44x+160=306 | | (21+p)+(2p-36)+p=645 | | x^2-6x+y^2=91 | | x=5x-5 | | -11.6x=8.12 | | N^2-10n+20=0 | | -3b+4y+6b+8y= | | x^2+144=24x |

Equations solver categories