x^2-5x-7750=0

Simple and best practice solution for x^2-5x-7750=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^2-5x-7750=0 equation:


Simplifying
x2 + -5x + -7750 = 0

Reorder the terms:
-7750 + -5x + x2 = 0

Solving
-7750 + -5x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '7750' to each side of the equation.
-7750 + -5x + 7750 + x2 = 0 + 7750

Reorder the terms:
-7750 + 7750 + -5x + x2 = 0 + 7750

Combine like terms: -7750 + 7750 = 0
0 + -5x + x2 = 0 + 7750
-5x + x2 = 0 + 7750

Combine like terms: 0 + 7750 = 7750
-5x + x2 = 7750

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 = 7750 + 6.25

Reorder the terms:
6.25 + -5x + x2 = 7750 + 6.25

Combine like terms: 7750 + 6.25 = 7756.25
6.25 + -5x + x2 = 7756.25

Factor a perfect square on the left side:
(x + -2.5)(x + -2.5) = 7756.25

Calculate the square root of the right side: 88.069574769

Break this problem into two subproblems by setting 
(x + -2.5) equal to 88.069574769 and -88.069574769.

Subproblem 1

x + -2.5 = 88.069574769 Simplifying x + -2.5 = 88.069574769 Reorder the terms: -2.5 + x = 88.069574769 Solving -2.5 + x = 88.069574769 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 = 88.069574769 + 2.5 Combine like terms: -2.5 + 2.5 = 0.0 0.0 + x = 88.069574769 + 2.5 x = 88.069574769 + 2.5 Combine like terms: 88.069574769 + 2.5 = 90.569574769 x = 90.569574769 Simplifying x = 90.569574769

Subproblem 2

x + -2.5 = -88.069574769 Simplifying x + -2.5 = -88.069574769 Reorder the terms: -2.5 + x = -88.069574769 Solving -2.5 + x = -88.069574769 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 = -88.069574769 + 2.5 Combine like terms: -2.5 + 2.5 = 0.0 0.0 + x = -88.069574769 + 2.5 x = -88.069574769 + 2.5 Combine like terms: -88.069574769 + 2.5 = -85.569574769 x = -85.569574769 Simplifying x = -85.569574769

Solution

The solution to the problem is based on the solutions from the subproblems. x = {90.569574769, -85.569574769}

See similar equations:

| -6y^2-9y+1=0 | | 61-4x=56+23 | | 3(0)+2y=-6 | | 10x-4=6x+24 | | -6x^2-9y+1=0 | | -2/3(3x-1)=-3(1-x) | | -5y^2+2y+2=0 | | 11+15x=-7+13x | | 9v+8v= | | (-6-4i)(-6+4i)= | | -5x^2+2y+2=0 | | 3x+2(0)=-6 | | 9x-5x=4+5x-5x | | x^2(x+6)-9(x+6)=0 | | 2pm+5t=q | | 25-4x=5 | | 726=p(33) | | -3(x-2)+2(x+1)=-14 | | 12x+10=2x+80 | | 6-8x=6x-8x+12 | | (8+5i)(6+3i)= | | -19+4= | | 5x+4=5(x-2) | | (x+6)(x^2-9)=0 | | 8x+1x=4+5x | | Y^3-4y=0 | | 5x-2=41x-38 | | 0-4y=14 | | -6x+2x=4(-5x-2)-8(x+5) | | 14x+8=5x+44 | | 6-8x=5x-9x+2 | | 29=-8u-7+5u |

Equations solver categories