0=x^2+25*x-50

Simple and best practice solution for 0=x^2+25*x-50 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 0=x^2+25*x-50 equation:


Simplifying
0 = x2 + 25x + -50

Reorder the terms:
0 = -50 + 25x + x2

Solving
0 = -50 + 25x + x2

Solving for variable 'x'.

Combine like terms: 0 + 50 = 50
50 + -25x + -1x2 = -50 + 25x + x2 + 50 + -25x + -1x2

Reorder the terms:
50 + -25x + -1x2 = -50 + 50 + 25x + -25x + x2 + -1x2

Combine like terms: -50 + 50 = 0
50 + -25x + -1x2 = 0 + 25x + -25x + x2 + -1x2
50 + -25x + -1x2 = 25x + -25x + x2 + -1x2

Combine like terms: 25x + -25x = 0
50 + -25x + -1x2 = 0 + x2 + -1x2
50 + -25x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
50 + -25x + -1x2 = 0

Begin completing the square.  Divide all terms by
-1 the coefficient of the squared term: 

Divide each side by '-1'.
-50 + 25x + x2 = 0

Move the constant term to the right:

Add '50' to each side of the equation.
-50 + 25x + 50 + x2 = 0 + 50

Reorder the terms:
-50 + 50 + 25x + x2 = 0 + 50

Combine like terms: -50 + 50 = 0
0 + 25x + x2 = 0 + 50
25x + x2 = 0 + 50

Combine like terms: 0 + 50 = 50
25x + x2 = 50

The x term is 25x.  Take half its coefficient (12.5).
Square it (156.25) and add it to both sides.

Add '156.25' to each side of the equation.
25x + 156.25 + x2 = 50 + 156.25

Reorder the terms:
156.25 + 25x + x2 = 50 + 156.25

Combine like terms: 50 + 156.25 = 206.25
156.25 + 25x + x2 = 206.25

Factor a perfect square on the left side:
(x + 12.5)(x + 12.5) = 206.25

Calculate the square root of the right side: 14.361406616

Break this problem into two subproblems by setting 
(x + 12.5) equal to 14.361406616 and -14.361406616.

Subproblem 1

x + 12.5 = 14.361406616 Simplifying x + 12.5 = 14.361406616 Reorder the terms: 12.5 + x = 14.361406616 Solving 12.5 + x = 14.361406616 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-12.5' to each side of the equation. 12.5 + -12.5 + x = 14.361406616 + -12.5 Combine like terms: 12.5 + -12.5 = 0.0 0.0 + x = 14.361406616 + -12.5 x = 14.361406616 + -12.5 Combine like terms: 14.361406616 + -12.5 = 1.861406616 x = 1.861406616 Simplifying x = 1.861406616

Subproblem 2

x + 12.5 = -14.361406616 Simplifying x + 12.5 = -14.361406616 Reorder the terms: 12.5 + x = -14.361406616 Solving 12.5 + x = -14.361406616 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-12.5' to each side of the equation. 12.5 + -12.5 + x = -14.361406616 + -12.5 Combine like terms: 12.5 + -12.5 = 0.0 0.0 + x = -14.361406616 + -12.5 x = -14.361406616 + -12.5 Combine like terms: -14.361406616 + -12.5 = -26.861406616 x = -26.861406616 Simplifying x = -26.861406616

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.861406616, -26.861406616}

See similar equations:

| 9x-9+3(x-2)=3 | | x(x+8)-7=0 | | -68-11x=72-16x | | (3tanx)=3 | | 11x-107=17x+49 | | X^2+y=-6x+16 | | y^3+y-3y^2-3=0 | | -x-14=31-2x | | 4x+3y+60z=1296 | | -67-17x=77-11x | | 4a-2=7a | | 180*x=900 | | -257-7x=103+13x | | 11/4=x/8.6 | | x*3=720 | | 11/6=x/15 | | x*3=135 | | 8/x=32/36 | | 2x^2-6x=.25X^2 | | 5/25=x/5 | | x/12=90/120 | | 28.5=-7(8.5v-3) | | (3+7i)(4-5i)= | | x/5=70/35 | | 400=x(9+x) | | 3x-14=-59 | | .25x+5=8 | | 5-2e=35 | | x^3-9x^2+24x-14=0 | | 9+1=x-5 | | 558=6(x+2) | | -46=4x+2 |

Equations solver categories