2x^2-10x+4=x-3

Simple and best practice solution for 2x^2-10x+4=x-3 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^2-10x+4=x-3 equation:


Simplifying
2x2 + -10x + 4 = x + -3

Reorder the terms:
4 + -10x + 2x2 = x + -3

Reorder the terms:
4 + -10x + 2x2 = -3 + x

Solving
4 + -10x + 2x2 = -3 + x

Solving for variable 'x'.

Reorder the terms:
4 + 3 + -10x + -1x + 2x2 = -3 + x + 3 + -1x

Combine like terms: 4 + 3 = 7
7 + -10x + -1x + 2x2 = -3 + x + 3 + -1x

Combine like terms: -10x + -1x = -11x
7 + -11x + 2x2 = -3 + x + 3 + -1x

Reorder the terms:
7 + -11x + 2x2 = -3 + 3 + x + -1x

Combine like terms: -3 + 3 = 0
7 + -11x + 2x2 = 0 + x + -1x
7 + -11x + 2x2 = x + -1x

Combine like terms: x + -1x = 0
7 + -11x + 2x2 = 0

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

Divide each side by '2'.
3.5 + -5.5x + x2 = 0

Move the constant term to the right:

Add '-3.5' to each side of the equation.
3.5 + -5.5x + -3.5 + x2 = 0 + -3.5

Reorder the terms:
3.5 + -3.5 + -5.5x + x2 = 0 + -3.5

Combine like terms: 3.5 + -3.5 = 0.0
0.0 + -5.5x + x2 = 0 + -3.5
-5.5x + x2 = 0 + -3.5

Combine like terms: 0 + -3.5 = -3.5
-5.5x + x2 = -3.5

The x term is -5.5x.  Take half its coefficient (-2.75).
Square it (7.5625) and add it to both sides.

Add '7.5625' to each side of the equation.
-5.5x + 7.5625 + x2 = -3.5 + 7.5625

Reorder the terms:
7.5625 + -5.5x + x2 = -3.5 + 7.5625

Combine like terms: -3.5 + 7.5625 = 4.0625
7.5625 + -5.5x + x2 = 4.0625

Factor a perfect square on the left side:
(x + -2.75)(x + -2.75) = 4.0625

Calculate the square root of the right side: 2.015564437

Break this problem into two subproblems by setting 
(x + -2.75) equal to 2.015564437 and -2.015564437.

Subproblem 1

x + -2.75 = 2.015564437 Simplifying x + -2.75 = 2.015564437 Reorder the terms: -2.75 + x = 2.015564437 Solving -2.75 + x = 2.015564437 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.75' to each side of the equation. -2.75 + 2.75 + x = 2.015564437 + 2.75 Combine like terms: -2.75 + 2.75 = 0.00 0.00 + x = 2.015564437 + 2.75 x = 2.015564437 + 2.75 Combine like terms: 2.015564437 + 2.75 = 4.765564437 x = 4.765564437 Simplifying x = 4.765564437

Subproblem 2

x + -2.75 = -2.015564437 Simplifying x + -2.75 = -2.015564437 Reorder the terms: -2.75 + x = -2.015564437 Solving -2.75 + x = -2.015564437 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.75' to each side of the equation. -2.75 + 2.75 + x = -2.015564437 + 2.75 Combine like terms: -2.75 + 2.75 = 0.00 0.00 + x = -2.015564437 + 2.75 x = -2.015564437 + 2.75 Combine like terms: -2.015564437 + 2.75 = 0.734435563 x = 0.734435563 Simplifying x = 0.734435563

Solution

The solution to the problem is based on the solutions from the subproblems. x = {4.765564437, 0.734435563}

See similar equations:

| 24w^2-24w+6=0 | | 15+x=28 | | 7(x+3)=5x+2a | | 12x^2+5x-4=0 | | c=5/9(77-32) | | 14=u-13 | | 9-(2a+6)=-9 | | 10y-40=0 | | 7y-9=6y-7 | | 6+2x=x | | y-1=2y+5 | | 2x+4x=29 | | 5y-3.6=3 | | x^2+5X+10=24 | | 15-d-d=9-d | | 3u+4u=14-19 | | 3-8=3+(-8) | | 0.5x+0.20y=4.20 | | 48=-6u | | 0.5x+0.20x=4.20 | | 5d+7d-3=10-d | | 9-5x-7+3x=16 | | -4(9)= | | x/9=8 | | 2d+d+8=2d-4 | | 9+x/5x=30 | | 0.2x-(8)=-2 | | -54-2r=-v+21 | | 1-4c=2-8c | | 4x=32x+8 | | -3v=8 | | -6w=-5 |

Equations solver categories