50=x^2-5x-4

Simple and best practice solution for 50=x^2-5x-4 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 50=x^2-5x-4 equation:


Simplifying
50 = x2 + -5x + -4

Reorder the terms:
50 = -4 + -5x + x2

Solving
50 = -4 + -5x + x2

Solving for variable 'x'.

Combine like terms: 50 + 4 = 54
54 + 5x + -1x2 = -4 + -5x + x2 + 4 + 5x + -1x2

Reorder the terms:
54 + 5x + -1x2 = -4 + 4 + -5x + 5x + x2 + -1x2

Combine like terms: -4 + 4 = 0
54 + 5x + -1x2 = 0 + -5x + 5x + x2 + -1x2
54 + 5x + -1x2 = -5x + 5x + x2 + -1x2

Combine like terms: -5x + 5x = 0
54 + 5x + -1x2 = 0 + x2 + -1x2
54 + 5x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
54 + 5x + -1x2 = 0

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

Divide each side by '-1'.
-54 + -5x + x2 = 0

Move the constant term to the right:

Add '54' to each side of the equation.
-54 + -5x + 54 + x2 = 0 + 54

Reorder the terms:
-54 + 54 + -5x + x2 = 0 + 54

Combine like terms: -54 + 54 = 0
0 + -5x + x2 = 0 + 54
-5x + x2 = 0 + 54

Combine like terms: 0 + 54 = 54
-5x + x2 = 54

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 = 54 + 6.25

Reorder the terms:
6.25 + -5x + x2 = 54 + 6.25

Combine like terms: 54 + 6.25 = 60.25
6.25 + -5x + x2 = 60.25

Factor a perfect square on the left side:
(x + -2.5)(x + -2.5) = 60.25

Calculate the square root of the right side: 7.762087348

Break this problem into two subproblems by setting 
(x + -2.5) equal to 7.762087348 and -7.762087348.

Subproblem 1

x + -2.5 = 7.762087348 Simplifying x + -2.5 = 7.762087348 Reorder the terms: -2.5 + x = 7.762087348 Solving -2.5 + x = 7.762087348 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 = 7.762087348 + 2.5 Combine like terms: -2.5 + 2.5 = 0.0 0.0 + x = 7.762087348 + 2.5 x = 7.762087348 + 2.5 Combine like terms: 7.762087348 + 2.5 = 10.262087348 x = 10.262087348 Simplifying x = 10.262087348

Subproblem 2

x + -2.5 = -7.762087348 Simplifying x + -2.5 = -7.762087348 Reorder the terms: -2.5 + x = -7.762087348 Solving -2.5 + x = -7.762087348 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 = -7.762087348 + 2.5 Combine like terms: -2.5 + 2.5 = 0.0 0.0 + x = -7.762087348 + 2.5 x = -7.762087348 + 2.5 Combine like terms: -7.762087348 + 2.5 = -5.262087348 x = -5.262087348 Simplifying x = -5.262087348

Solution

The solution to the problem is based on the solutions from the subproblems. x = {10.262087348, -5.262087348}

See similar equations:

| 14-4k=3k | | 25x^2-20x=46 | | 3x+81=8x-14 | | 5(-7A-10)=3A-10 | | 2x+1-3x+5=3(x+1) | | 9.3-f/6.2=0.5 | | 4.5(x-2)+1.5=(3x-4)-1 | | 9.3x-6.2=12.4 | | 6.8=ln(x) | | 7[2x-5]+4[6-x]=19 | | 3x+-4=16 | | 3x+5y-2x+1y= | | 3y^2-16y+32=0 | | X^2-34x+128=0 | | x[(x+1)(x+2)(x+3)]=24 | | 1250=1000+10*n | | X^2+34x+128=0 | | 4r^2+10r-1=0 | | 3(x+4)-2=2(2x-4)+x+13 | | 2x+7=-47-7z | | (2x+3y)dx(3x+2y)dy=0 | | dx(t)=24cos(8t) | | -3x+33=6 | | x^3-3x+2= | | 2x^-4/3y^3 | | 9t+12= | | cos(8t)=0 | | 3a*1a=15200 | | 3(x-4)+6=5(x-1)+4 | | 3a*1x=15200 | | 3a+1a=15200 | | 3a+1a=x |

Equations solver categories