x^2-29x+189=0

Simple and best practice solution for x^2-29x+189=0 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^2-29x+189=0 equation:


Simplifying
x2 + -29x + 189 = 0

Reorder the terms:
189 + -29x + x2 = 0

Solving
189 + -29x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-189' to each side of the equation.
189 + -29x + -189 + x2 = 0 + -189

Reorder the terms:
189 + -189 + -29x + x2 = 0 + -189

Combine like terms: 189 + -189 = 0
0 + -29x + x2 = 0 + -189
-29x + x2 = 0 + -189

Combine like terms: 0 + -189 = -189
-29x + x2 = -189

The x term is -29x.  Take half its coefficient (-14.5).
Square it (210.25) and add it to both sides.

Add '210.25' to each side of the equation.
-29x + 210.25 + x2 = -189 + 210.25

Reorder the terms:
210.25 + -29x + x2 = -189 + 210.25

Combine like terms: -189 + 210.25 = 21.25
210.25 + -29x + x2 = 21.25

Factor a perfect square on the left side:
(x + -14.5)(x + -14.5) = 21.25

Calculate the square root of the right side: 4.609772229

Break this problem into two subproblems by setting 
(x + -14.5) equal to 4.609772229 and -4.609772229.

Subproblem 1

x + -14.5 = 4.609772229 Simplifying x + -14.5 = 4.609772229 Reorder the terms: -14.5 + x = 4.609772229 Solving -14.5 + x = 4.609772229 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '14.5' to each side of the equation. -14.5 + 14.5 + x = 4.609772229 + 14.5 Combine like terms: -14.5 + 14.5 = 0.0 0.0 + x = 4.609772229 + 14.5 x = 4.609772229 + 14.5 Combine like terms: 4.609772229 + 14.5 = 19.109772229 x = 19.109772229 Simplifying x = 19.109772229

Subproblem 2

x + -14.5 = -4.609772229 Simplifying x + -14.5 = -4.609772229 Reorder the terms: -14.5 + x = -4.609772229 Solving -14.5 + x = -4.609772229 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '14.5' to each side of the equation. -14.5 + 14.5 + x = -4.609772229 + 14.5 Combine like terms: -14.5 + 14.5 = 0.0 0.0 + x = -4.609772229 + 14.5 x = -4.609772229 + 14.5 Combine like terms: -4.609772229 + 14.5 = 9.890227771 x = 9.890227771 Simplifying x = 9.890227771

Solution

The solution to the problem is based on the solutions from the subproblems. x = {19.109772229, 9.890227771}

See similar equations:

| 49=16+4x^2-16x | | 8+10-5=36 | | 49=16+4x^2-16xCosB | | 8+10+5=36 | | X/10=-23 | | f(x)=(x+-2+-4i)(x+-2-4i) | | 8-10+5=208 | | X/10=23 | | 2(x-2)+2(x+5)=42 | | 6a+28+39=-208 | | f(x)=150+35x | | x-4-4x=9-2x | | -3x-3=3(3x+3) | | 1.9=3y+12.1 | | 4-1/2x=16-x | | 6(2-3y)=49 | | 4x+48=2(4x+2) | | 2w(3w-2)=-3w+2 | | -4=25 | | 13n+15=-1 | | -x+13=3(2x-5) | | 3(2x-4)+3=-2x+47 | | x/3-9=36 | | y=mx+b+x | | 10n+24=-36 | | 100=-0.1x^3+2x^2 | | X(x+21)=-110 | | -1.3y=26.97 | | 8-2n=24 | | x^2+21x-110=0 | | h(1)=-16(1)2+96(1)+880 | | 3.5x=210 |

Equations solver categories