0=x^2+17x-2

Simple and best practice solution for 0=x^2+17x-2 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+17x-2 equation:


Simplifying
0 = x2 + 17x + -2

Reorder the terms:
0 = -2 + 17x + x2

Solving
0 = -2 + 17x + x2

Solving for variable 'x'.

Combine like terms: 0 + 2 = 2
2 + -17x + -1x2 = -2 + 17x + x2 + 2 + -17x + -1x2

Reorder the terms:
2 + -17x + -1x2 = -2 + 2 + 17x + -17x + x2 + -1x2

Combine like terms: -2 + 2 = 0
2 + -17x + -1x2 = 0 + 17x + -17x + x2 + -1x2
2 + -17x + -1x2 = 17x + -17x + x2 + -1x2

Combine like terms: 17x + -17x = 0
2 + -17x + -1x2 = 0 + x2 + -1x2
2 + -17x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
2 + -17x + -1x2 = 0

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

Divide each side by '-1'.
-2 + 17x + x2 = 0

Move the constant term to the right:

Add '2' to each side of the equation.
-2 + 17x + 2 + x2 = 0 + 2

Reorder the terms:
-2 + 2 + 17x + x2 = 0 + 2

Combine like terms: -2 + 2 = 0
0 + 17x + x2 = 0 + 2
17x + x2 = 0 + 2

Combine like terms: 0 + 2 = 2
17x + x2 = 2

The x term is 17x.  Take half its coefficient (8.5).
Square it (72.25) and add it to both sides.

Add '72.25' to each side of the equation.
17x + 72.25 + x2 = 2 + 72.25

Reorder the terms:
72.25 + 17x + x2 = 2 + 72.25

Combine like terms: 2 + 72.25 = 74.25
72.25 + 17x + x2 = 74.25

Factor a perfect square on the left side:
(x + 8.5)(x + 8.5) = 74.25

Calculate the square root of the right side: 8.61684397

Break this problem into two subproblems by setting 
(x + 8.5) equal to 8.61684397 and -8.61684397.

Subproblem 1

x + 8.5 = 8.61684397 Simplifying x + 8.5 = 8.61684397 Reorder the terms: 8.5 + x = 8.61684397 Solving 8.5 + x = 8.61684397 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-8.5' to each side of the equation. 8.5 + -8.5 + x = 8.61684397 + -8.5 Combine like terms: 8.5 + -8.5 = 0.0 0.0 + x = 8.61684397 + -8.5 x = 8.61684397 + -8.5 Combine like terms: 8.61684397 + -8.5 = 0.11684397 x = 0.11684397 Simplifying x = 0.11684397

Subproblem 2

x + 8.5 = -8.61684397 Simplifying x + 8.5 = -8.61684397 Reorder the terms: 8.5 + x = -8.61684397 Solving 8.5 + x = -8.61684397 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-8.5' to each side of the equation. 8.5 + -8.5 + x = -8.61684397 + -8.5 Combine like terms: 8.5 + -8.5 = 0.0 0.0 + x = -8.61684397 + -8.5 x = -8.61684397 + -8.5 Combine like terms: -8.61684397 + -8.5 = -17.11684397 x = -17.11684397 Simplifying x = -17.11684397

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.11684397, -17.11684397}

See similar equations:

| -7=21m+14n | | 23x-10=20x-30 | | 0=-16t^2+72 | | 6=-4n+3n | | 5y+-14=8y+4 | | p(6)=0 | | 15+(.50*x)=25+(.25*x) | | 3(2X-3)=-2(x-5)+3 | | 5y-9+3y= | | 2000x=1000x+7000 | | 4(x)+2=x+17 | | 7p^2-30p+8=0 | | y=mx+6forn | | 4t^2-3t=1 | | -16y-6x=22 | | -9(6x-19)=-315 | | 3x^2-6=3x^2-12 | | x+5x^2=84 | | (3x-4)+2x+(20-x)=180 | | (5x^3+4)(8x^2+9x+9)= | | -36p=9 | | 3a^2+3=72 | | 2x+3y=1728 | | (6x-3)+4x+92=11 | | 6-7d-5+8d= | | -290+x-9x=214 | | (6x-3)+(4x+3)=92 | | 4r-7s=K | | 15(5)+20y=500 | | [2y-5]-2=0 | | 11=8y+2 | | (6x-3)+4x=92 |

Equations solver categories