5x^2-20x-44=0

Simple and best practice solution for 5x^2-20x-44=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 5x^2-20x-44=0 equation:


Simplifying
5x2 + -20x + -44 = 0

Reorder the terms:
-44 + -20x + 5x2 = 0

Solving
-44 + -20x + 5x2 = 0

Solving for variable 'x'.

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

Divide each side by '5'.
-8.8 + -4x + x2 = 0

Move the constant term to the right:

Add '8.8' to each side of the equation.
-8.8 + -4x + 8.8 + x2 = 0 + 8.8

Reorder the terms:
-8.8 + 8.8 + -4x + x2 = 0 + 8.8

Combine like terms: -8.8 + 8.8 = 0.0
0.0 + -4x + x2 = 0 + 8.8
-4x + x2 = 0 + 8.8

Combine like terms: 0 + 8.8 = 8.8
-4x + x2 = 8.8

The x term is -4x.  Take half its coefficient (-2).
Square it (4) and add it to both sides.

Add '4' to each side of the equation.
-4x + 4 + x2 = 8.8 + 4

Reorder the terms:
4 + -4x + x2 = 8.8 + 4

Combine like terms: 8.8 + 4 = 12.8
4 + -4x + x2 = 12.8

Factor a perfect square on the left side:
(x + -2)(x + -2) = 12.8

Calculate the square root of the right side: 3.577708764

Break this problem into two subproblems by setting 
(x + -2) equal to 3.577708764 and -3.577708764.

Subproblem 1

x + -2 = 3.577708764 Simplifying x + -2 = 3.577708764 Reorder the terms: -2 + x = 3.577708764 Solving -2 + x = 3.577708764 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + x = 3.577708764 + 2 Combine like terms: -2 + 2 = 0 0 + x = 3.577708764 + 2 x = 3.577708764 + 2 Combine like terms: 3.577708764 + 2 = 5.577708764 x = 5.577708764 Simplifying x = 5.577708764

Subproblem 2

x + -2 = -3.577708764 Simplifying x + -2 = -3.577708764 Reorder the terms: -2 + x = -3.577708764 Solving -2 + x = -3.577708764 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + x = -3.577708764 + 2 Combine like terms: -2 + 2 = 0 0 + x = -3.577708764 + 2 x = -3.577708764 + 2 Combine like terms: -3.577708764 + 2 = -1.577708764 x = -1.577708764 Simplifying x = -1.577708764

Solution

The solution to the problem is based on the solutions from the subproblems. x = {5.577708764, -1.577708764}

See similar equations:

| 6x+10+6x-10=180 | | 11y+15=180 | | 8-7i= | | 25a-12/8=4 | | -3(4s-5)-15=-2(8s+2)-2 | | (3/7)^3 | | 126=6-4x | | 8=-8y+6(y+2) | | 75x^3y-65x^2+10xy=0 | | 7(18-x)-6(3-5x)=-(7x+9)-3(2x+5)+24 | | 8v^2-32w^2=0 | | 45x^3y-33x^2y+6xy=0 | | 17-5n=50+6n | | 8x-4(2x+6)=5(7-3x)-14 | | x-1+3x=-21 | | 3G-35=62 | | 0.40x+0.10(90)=0.20(55) | | 3n^2+n-4=equation | | 13(x-3)-3(2x-1)=-1 | | Ln(ln(4x))=0 | | Y=12+2x | | 4p-15=-30+9p | | f(x)=2x^2+kx+7 | | 7x-16=2+4x | | 0=10x+x^2+16 | | 0.4w-w= | | 0=10x+x^2+17 | | (55v^3)=2+.05x | | 15x+15y=40 | | .4w-w=0.6w | | 4.5n-7.2+2.5n=48.8 | | 5x+45=5x-32 |

Equations solver categories