x^2-5x+2=1

Simple and best practice solution for x^2-5x+2=1 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^2-5x+2=1 equation:


Simplifying
x2 + -5x + 2 = 1

Reorder the terms:
2 + -5x + x2 = 1

Solving
2 + -5x + x2 = 1

Solving for variable 'x'.

Reorder the terms:
2 + -1 + -5x + x2 = 1 + -1

Combine like terms: 2 + -1 = 1
1 + -5x + x2 = 1 + -1

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

Begin completing the square.

Move the constant term to the right:

Add '-1' to each side of the equation.
1 + -5x + -1 + x2 = 0 + -1

Reorder the terms:
1 + -1 + -5x + x2 = 0 + -1

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

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

The x term is -5x.  Take half its coefficient (-2.5).
Square it (6.25) and add it to both sides.

Add '6.25' to each side of the equation.
-5x + 6.25 + x2 = -1 + 6.25

Reorder the terms:
6.25 + -5x + x2 = -1 + 6.25

Combine like terms: -1 + 6.25 = 5.25
6.25 + -5x + x2 = 5.25

Factor a perfect square on the left side:
(x + -2.5)(x + -2.5) = 5.25

Calculate the square root of the right side: 2.291287847

Break this problem into two subproblems by setting 
(x + -2.5) equal to 2.291287847 and -2.291287847.

Subproblem 1

x + -2.5 = 2.291287847 Simplifying x + -2.5 = 2.291287847 Reorder the terms: -2.5 + x = 2.291287847 Solving -2.5 + x = 2.291287847 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.5' to each side of the equation. -2.5 + 2.5 + x = 2.291287847 + 2.5 Combine like terms: -2.5 + 2.5 = 0.0 0.0 + x = 2.291287847 + 2.5 x = 2.291287847 + 2.5 Combine like terms: 2.291287847 + 2.5 = 4.791287847 x = 4.791287847 Simplifying x = 4.791287847

Subproblem 2

x + -2.5 = -2.291287847 Simplifying x + -2.5 = -2.291287847 Reorder the terms: -2.5 + x = -2.291287847 Solving -2.5 + x = -2.291287847 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.5' to each side of the equation. -2.5 + 2.5 + x = -2.291287847 + 2.5 Combine like terms: -2.5 + 2.5 = 0.0 0.0 + x = -2.291287847 + 2.5 x = -2.291287847 + 2.5 Combine like terms: -2.291287847 + 2.5 = 0.208712153 x = 0.208712153 Simplifying x = 0.208712153

Solution

The solution to the problem is based on the solutions from the subproblems. x = {4.791287847, 0.208712153}

See similar equations:

| -7p+4p=-3p+6 | | 4(x-3)-6=-2(-7x+3)-2x | | 192+300x= | | 73-20v=-16v+5 | | 8+a=a+3 | | 3(3x-4)=2(4x+5) | | 4=1+3u | | 4=e-8 | | 13x-(3x-9)=39 | | 4b/c^3 | | 24x-30=4x | | x^2-10x+18=1 | | -2x+-3y=20 | | 6+k+2k=3k+6 | | g^2+10g+35=0 | | 7g(5g+10)= | | 8=2log(3x+4)-2 | | 7x-(2-3x)=5X+43 | | 8x+2-8x=-3 | | .5(9x+18)=-1.5(5x)-2(3x+4.5) | | -6n+3n=24 | | 1-6/16-4/8 | | (2+x)+(-1+x)=x-3 | | 2m-4=25 | | 3(2x-5)-13=-4(x-2) | | 7g-4=38 | | -9(20x+3y)= | | 15+10y=25 | | 8/1x=-27 | | -1/2(6-3y)-y=-3 | | 3.75+n=10 | | 100+6x=160+10x |

Equations solver categories