0=x^2+17.5x-50

Simple and best practice solution for 0=x^2+17.5x-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+17.5x-50 equation:


Simplifying
0 = x2 + 17.5x + -50

Reorder the terms:
0 = -50 + 17.5x + x2

Solving
0 = -50 + 17.5x + x2

Solving for variable 'x'.

Combine like terms: 0 + 50 = 50
50 + -17.5x + -1x2 = -50 + 17.5x + x2 + 50 + -17.5x + -1x2

Reorder the terms:
50 + -17.5x + -1x2 = -50 + 50 + 17.5x + -17.5x + x2 + -1x2

Combine like terms: -50 + 50 = 0
50 + -17.5x + -1x2 = 0 + 17.5x + -17.5x + x2 + -1x2
50 + -17.5x + -1x2 = 17.5x + -17.5x + x2 + -1x2

Combine like terms: 17.5x + -17.5x = 0.0
50 + -17.5x + -1x2 = 0.0 + x2 + -1x2
50 + -17.5x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
50 + -17.5x + -1x2 = 0

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

Divide each side by '-1'.
-50 + 17.5x + x2 = 0

Move the constant term to the right:

Add '50' to each side of the equation.
-50 + 17.5x + 50 + x2 = 0 + 50

Reorder the terms:
-50 + 50 + 17.5x + x2 = 0 + 50

Combine like terms: -50 + 50 = 0
0 + 17.5x + x2 = 0 + 50
17.5x + x2 = 0 + 50

Combine like terms: 0 + 50 = 50
17.5x + x2 = 50

The x term is 17.5x.  Take half its coefficient (8.75).
Square it (76.5625) and add it to both sides.

Add '76.5625' to each side of the equation.
17.5x + 76.5625 + x2 = 50 + 76.5625

Reorder the terms:
76.5625 + 17.5x + x2 = 50 + 76.5625

Combine like terms: 50 + 76.5625 = 126.5625
76.5625 + 17.5x + x2 = 126.5625

Factor a perfect square on the left side:
(x + 8.75)(x + 8.75) = 126.5625

Calculate the square root of the right side: 11.25

Break this problem into two subproblems by setting 
(x + 8.75) equal to 11.25 and -11.25.

Subproblem 1

x + 8.75 = 11.25 Simplifying x + 8.75 = 11.25 Reorder the terms: 8.75 + x = 11.25 Solving 8.75 + x = 11.25 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-8.75' to each side of the equation. 8.75 + -8.75 + x = 11.25 + -8.75 Combine like terms: 8.75 + -8.75 = 0.00 0.00 + x = 11.25 + -8.75 x = 11.25 + -8.75 Combine like terms: 11.25 + -8.75 = 2.5 x = 2.5 Simplifying x = 2.5

Subproblem 2

x + 8.75 = -11.25 Simplifying x + 8.75 = -11.25 Reorder the terms: 8.75 + x = -11.25 Solving 8.75 + x = -11.25 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-8.75' to each side of the equation. 8.75 + -8.75 + x = -11.25 + -8.75 Combine like terms: 8.75 + -8.75 = 0.00 0.00 + x = -11.25 + -8.75 x = -11.25 + -8.75 Combine like terms: -11.25 + -8.75 = -20 x = -20 Simplifying x = -20

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.5, -20}

See similar equations:

| 0=x^2+17.5-50 | | 100=45r | | 36m^4-12m^2+1=am^4+bm+1 | | 2.3p-7=1.3p-7 | | 2x^3-21x^2+54x=0 | | (3x+5)=(2x+10) | | 5(8m+3)= | | -8(-2+w)= | | 9(-2+b)= | | 5-(234*30/1000) | | 10(s-5)= | | 15x+13=28 | | h(x)= | | C(x)=20.00-0.07x | | 2x-9+8x+2=7x+3+3x-10 | | x+y+xy=31 | | 9x-2(x-9)=7(x+1)+3 | | Y(y+3)=48.16 | | -7(5x-7)+5=-35x+54 | | 0.17y+0.03(y+8000)=1640 | | h(x-6)= | | 4w^2/w^2-36 | | 0.5x+0.28+4.2x+3.36=9.8 | | 5.04/1.8=p | | 4+17x-1=8x+81-4x | | -2(6x-6)+5=12x+17 | | 0.12y+0.05(y+4000)=1730 | | -5x-3=-4+8 | | 5.04/1.8 | | 8x^2+11x-11=16-4x | | 8y+11=3y-4 | | -7(4x-5)+8=-28x+43 |

Equations solver categories