x^2+13x-29=0

Simple and best practice solution for x^2+13x-29=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+13x-29=0 equation:


Simplifying
x2 + 13x + -29 = 0

Reorder the terms:
-29 + 13x + x2 = 0

Solving
-29 + 13x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '29' to each side of the equation.
-29 + 13x + 29 + x2 = 0 + 29

Reorder the terms:
-29 + 29 + 13x + x2 = 0 + 29

Combine like terms: -29 + 29 = 0
0 + 13x + x2 = 0 + 29
13x + x2 = 0 + 29

Combine like terms: 0 + 29 = 29
13x + x2 = 29

The x term is 13x.  Take half its coefficient (6.5).
Square it (42.25) and add it to both sides.

Add '42.25' to each side of the equation.
13x + 42.25 + x2 = 29 + 42.25

Reorder the terms:
42.25 + 13x + x2 = 29 + 42.25

Combine like terms: 29 + 42.25 = 71.25
42.25 + 13x + x2 = 71.25

Factor a perfect square on the left side:
(x + 6.5)(x + 6.5) = 71.25

Calculate the square root of the right side: 8.440971508

Break this problem into two subproblems by setting 
(x + 6.5) equal to 8.440971508 and -8.440971508.

Subproblem 1

x + 6.5 = 8.440971508 Simplifying x + 6.5 = 8.440971508 Reorder the terms: 6.5 + x = 8.440971508 Solving 6.5 + x = 8.440971508 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-6.5' to each side of the equation. 6.5 + -6.5 + x = 8.440971508 + -6.5 Combine like terms: 6.5 + -6.5 = 0.0 0.0 + x = 8.440971508 + -6.5 x = 8.440971508 + -6.5 Combine like terms: 8.440971508 + -6.5 = 1.940971508 x = 1.940971508 Simplifying x = 1.940971508

Subproblem 2

x + 6.5 = -8.440971508 Simplifying x + 6.5 = -8.440971508 Reorder the terms: 6.5 + x = -8.440971508 Solving 6.5 + x = -8.440971508 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-6.5' to each side of the equation. 6.5 + -6.5 + x = -8.440971508 + -6.5 Combine like terms: 6.5 + -6.5 = 0.0 0.0 + x = -8.440971508 + -6.5 x = -8.440971508 + -6.5 Combine like terms: -8.440971508 + -6.5 = -14.940971508 x = -14.940971508 Simplifying x = -14.940971508

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.940971508, -14.940971508}

See similar equations:

| 4x+28=7+x | | (0.25)(x-1)=10 | | y=-15x+11 | | m^2=9m | | 2p+3=11 | | x^2+6x-9=0 | | X*X+18=139 | | x+7.5=5.7 | | (10x+4)=100 | | x+3.6=5.4 | | (10x+4)=10 | | 7x-8=3x+8 | | 4t=80 | | 6m^2=5m+2 | | y=x+3 | | x^3-9x^2+14= | | -10+6x=-10 | | 5x-7=2x-1 | | x-(-2)=-15 | | x-(-4)=9 | | 4x+2=x-7 | | 4x+5=23 | | 6x+7=49 | | -2+-7x=-72 | | 3x+6=0 | | y^2-25y=0 | | 8x^2-14x+6=0 | | 3x-4=6x-19 | | (3x-4)(x-6)=17 | | -17W+40=8W^2+5w | | 5+4=19 | | (2y-7)+(3x+4)i=1+i |

Equations solver categories