2x^2+34x+17=0

Simple and best practice solution for 2x^2+34x+17=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 2x^2+34x+17=0 equation:


Simplifying
2x2 + 34x + 17 = 0

Reorder the terms:
17 + 34x + 2x2 = 0

Solving
17 + 34x + 2x2 = 0

Solving for variable 'x'.

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

Divide each side by '2'.
8.5 + 17x + x2 = 0

Move the constant term to the right:

Add '-8.5' to each side of the equation.
8.5 + 17x + -8.5 + x2 = 0 + -8.5

Reorder the terms:
8.5 + -8.5 + 17x + x2 = 0 + -8.5

Combine like terms: 8.5 + -8.5 = 0.0
0.0 + 17x + x2 = 0 + -8.5
17x + x2 = 0 + -8.5

Combine like terms: 0 + -8.5 = -8.5
17x + x2 = -8.5

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 = -8.5 + 72.25

Reorder the terms:
72.25 + 17x + x2 = -8.5 + 72.25

Combine like terms: -8.5 + 72.25 = 63.75
72.25 + 17x + x2 = 63.75

Factor a perfect square on the left side:
(x + 8.5)(x + 8.5) = 63.75

Calculate the square root of the right side: 7.984359711

Break this problem into two subproblems by setting 
(x + 8.5) equal to 7.984359711 and -7.984359711.

Subproblem 1

x + 8.5 = 7.984359711 Simplifying x + 8.5 = 7.984359711 Reorder the terms: 8.5 + x = 7.984359711 Solving 8.5 + x = 7.984359711 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 = 7.984359711 + -8.5 Combine like terms: 8.5 + -8.5 = 0.0 0.0 + x = 7.984359711 + -8.5 x = 7.984359711 + -8.5 Combine like terms: 7.984359711 + -8.5 = -0.515640289 x = -0.515640289 Simplifying x = -0.515640289

Subproblem 2

x + 8.5 = -7.984359711 Simplifying x + 8.5 = -7.984359711 Reorder the terms: 8.5 + x = -7.984359711 Solving 8.5 + x = -7.984359711 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 = -7.984359711 + -8.5 Combine like terms: 8.5 + -8.5 = 0.0 0.0 + x = -7.984359711 + -8.5 x = -7.984359711 + -8.5 Combine like terms: -7.984359711 + -8.5 = -16.484359711 x = -16.484359711 Simplifying x = -16.484359711

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-0.515640289, -16.484359711}

See similar equations:

| 12n+9=6 | | (x+3)(x+4)+(x+6)(x-3)= | | 19=-(5x+7) | | 4(y-7)=5-(6y-2) | | C=39.45+0.25x | | 8z=3 | | 7(4x+2)=42 | | X^2-4x=5x | | 2.5k+5-1.5.5k=14 | | x^2+2x-363=0 | | 4x-8=7+3 | | v=Ixt | | z^3-z^2-6=0 | | 3y=0.006 | | 6=10c | | 1-5x=x-13 | | Log(x+4)=8 | | (2x)=1 | | Y-(-12)=7 | | 12x-6=-11x | | x^2-18x=1.25 | | 4(5x-8)-3(2x-7)= | | 9(9x)=96x | | 8x=(3x^2)-2 | | 7x-3=4x-24 | | (6f-k)= | | 36m^6+12m^4=m^2+0 | | 8r^2+10r-12=0 | | 10x+3=100 | | 5[3(x+4)-2(1-x)]-x-35=14x+65 | | 1.3-5r=7.8 | | 250x^3+128= |

Equations solver categories