2x^2-4x+17=0

Simple and best practice solution for 2x^2-4x+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^2-4x+17=0 equation:


Simplifying
2x2 + -4x + 17 = 0

Reorder the terms:
17 + -4x + 2x2 = 0

Solving
17 + -4x + 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 + -2x + x2 = 0

Move the constant term to the right:

Add '-8.5' to each side of the equation.
8.5 + -2x + -8.5 + x2 = 0 + -8.5

Reorder the terms:
8.5 + -8.5 + -2x + x2 = 0 + -8.5

Combine like terms: 8.5 + -8.5 = 0.0
0.0 + -2x + x2 = 0 + -8.5
-2x + x2 = 0 + -8.5

Combine like terms: 0 + -8.5 = -8.5
-2x + x2 = -8.5

The x term is -2x.  Take half its coefficient (-1).
Square it (1) and add it to both sides.

Add '1' to each side of the equation.
-2x + 1 + x2 = -8.5 + 1

Reorder the terms:
1 + -2x + x2 = -8.5 + 1

Combine like terms: -8.5 + 1 = -7.5
1 + -2x + x2 = -7.5

Factor a perfect square on the left side:
(x + -1)(x + -1) = -7.5

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 2.05x+15=2.35x | | 5x+68+9x=180 | | 4(2-3n)-(n-5)=-13 | | 3/4y-1/4=5/4y+1/8 | | 12p-7=(-3)p+8 | | 3(3x+3)+2(1-2x)=21 | | 9x^2+72-26=0 | | -3(1+2a)+3(8a-1)=12 | | 9y^2-60y+66=0 | | 1/2x9x7 | | 13+4x=1+x | | -62=-7(1+3v)+8(4-v) | | 6(X+2)=4(X+10) | | -32=-2-3(1+3m) | | 13-9x=11x+31 | | 1/4(d-5) | | -4=2(-3-8n)+5(4+5n) | | 3(-8)+2-5(-8)=-14 | | -6x+36=3(3x-8) | | 2(x+3)+2=5x-7 | | 23w-w^2-126=0 | | 5a/6-7/12+3a=21/6 | | 3(7n+5)+6(n+6)=24 | | 8y-5=6y-18 | | -3.3e=-3.74 | | 11z+8y= | | 5x^2-10x+7=0 | | -12x-8=2x-2 | | 2x+2-3x=5 | | 5x-51=110-2x | | 3(-5p-1)+6(1+6p)=66 | | (n+15)/5 |

Equations solver categories