x^2-4x+3=2x+11

Simple and best practice solution for x^2-4x+3=2x+11 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 x^2-4x+3=2x+11 equation:


Simplifying
x2 + -4x + 3 = 2x + 11

Reorder the terms:
3 + -4x + x2 = 2x + 11

Reorder the terms:
3 + -4x + x2 = 11 + 2x

Solving
3 + -4x + x2 = 11 + 2x

Solving for variable 'x'.

Reorder the terms:
3 + -11 + -4x + -2x + x2 = 11 + 2x + -11 + -2x

Combine like terms: 3 + -11 = -8
-8 + -4x + -2x + x2 = 11 + 2x + -11 + -2x

Combine like terms: -4x + -2x = -6x
-8 + -6x + x2 = 11 + 2x + -11 + -2x

Reorder the terms:
-8 + -6x + x2 = 11 + -11 + 2x + -2x

Combine like terms: 11 + -11 = 0
-8 + -6x + x2 = 0 + 2x + -2x
-8 + -6x + x2 = 2x + -2x

Combine like terms: 2x + -2x = 0
-8 + -6x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '8' to each side of the equation.
-8 + -6x + 8 + x2 = 0 + 8

Reorder the terms:
-8 + 8 + -6x + x2 = 0 + 8

Combine like terms: -8 + 8 = 0
0 + -6x + x2 = 0 + 8
-6x + x2 = 0 + 8

Combine like terms: 0 + 8 = 8
-6x + x2 = 8

The x term is -6x.  Take half its coefficient (-3).
Square it (9) and add it to both sides.

Add '9' to each side of the equation.
-6x + 9 + x2 = 8 + 9

Reorder the terms:
9 + -6x + x2 = 8 + 9

Combine like terms: 8 + 9 = 17
9 + -6x + x2 = 17

Factor a perfect square on the left side:
(x + -3)(x + -3) = 17

Calculate the square root of the right side: 4.123105626

Break this problem into two subproblems by setting 
(x + -3) equal to 4.123105626 and -4.123105626.

Subproblem 1

x + -3 = 4.123105626 Simplifying x + -3 = 4.123105626 Reorder the terms: -3 + x = 4.123105626 Solving -3 + x = 4.123105626 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + x = 4.123105626 + 3 Combine like terms: -3 + 3 = 0 0 + x = 4.123105626 + 3 x = 4.123105626 + 3 Combine like terms: 4.123105626 + 3 = 7.123105626 x = 7.123105626 Simplifying x = 7.123105626

Subproblem 2

x + -3 = -4.123105626 Simplifying x + -3 = -4.123105626 Reorder the terms: -3 + x = -4.123105626 Solving -3 + x = -4.123105626 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + x = -4.123105626 + 3 Combine like terms: -3 + 3 = 0 0 + x = -4.123105626 + 3 x = -4.123105626 + 3 Combine like terms: -4.123105626 + 3 = -1.123105626 x = -1.123105626 Simplifying x = -1.123105626

Solution

The solution to the problem is based on the solutions from the subproblems. x = {7.123105626, -1.123105626}

See similar equations:

| 60x=40x+2 | | 16p+100=180 | | -6x+3(3x+1)=24 | | 5*8+y=30 | | 4y+x=5(2-y) | | 4-10x=-20x+14 | | 4=-5x-9 | | 3(2p-5)=8p-5 | | 2=2(t-12) | | -9+3.8=9x+20 | | -4(-4-2x)+1=81 | | 32008.6283=4/3*3.14r^3 | | P=2(11+46) | | 175m-125m+43875=46125-175m | | -83=-6(-2p-2)+1 | | 7+4f-3= | | 145=(a-b)(a-b) | | 3x^2+6x+2= | | 0.4x-2.5=0.75x-2 | | 4x^3-3x^2=108 | | -5(8r-8)+8r=-88 | | x^2+12x=72 | | (2x+3)(x^2-1)=0 | | .3(2x+1)=27 | | 167.3306=3.14r^2 | | (-3x-4)-(2x+3)=0 | | 132=-6(2-8n) | | 3n+5=77-9n | | .3(2x+-1)=27 | | c=5/9(F-32)*f | | p=2t+2w*w | | 5b+16=b+4 |

Equations solver categories