-3x^2+7+17x^2-2x=

Simple and best practice solution for -3x^2+7+17x^2-2x= 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 -3x^2+7+17x^2-2x= equation:


Simplifying
-3x2 + 7 + 17x2 + -2x = 0

Reorder the terms:
7 + -2x + -3x2 + 17x2 = 0

Combine like terms: -3x2 + 17x2 = 14x2
7 + -2x + 14x2 = 0

Solving
7 + -2x + 14x2 = 0

Solving for variable 'x'.

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

Divide each side by '14'.
0.5 + -0.1428571429x + x2 = 0

Move the constant term to the right:

Add '-0.5' to each side of the equation.
0.5 + -0.1428571429x + -0.5 + x2 = 0 + -0.5

Reorder the terms:
0.5 + -0.5 + -0.1428571429x + x2 = 0 + -0.5

Combine like terms: 0.5 + -0.5 = 0.0
0.0 + -0.1428571429x + x2 = 0 + -0.5
-0.1428571429x + x2 = 0 + -0.5

Combine like terms: 0 + -0.5 = -0.5
-0.1428571429x + x2 = -0.5

The x term is -0.1428571429x.  Take half its coefficient (-0.07142857145).
Square it (0.005102040819) and add it to both sides.

Add '0.005102040819' to each side of the equation.
-0.1428571429x + 0.005102040819 + x2 = -0.5 + 0.005102040819

Reorder the terms:
0.005102040819 + -0.1428571429x + x2 = -0.5 + 0.005102040819

Combine like terms: -0.5 + 0.005102040819 = -0.494897959181
0.005102040819 + -0.1428571429x + x2 = -0.494897959181

Factor a perfect square on the left side:
(x + -0.07142857145)(x + -0.07142857145) = -0.494897959181

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| -9x^2-2+5x+11x^2-8x= | | 16x^2-3+6x-4x^2-10= | | 22=6+34t-16t^2 | | 5x^2+4x-6-13x^2= | | 0=255-21t-16t^2 | | 29=62t-5t^2 | | 0=2+25t-5t^2 | | 16t^2+17t-217=0 | | 2+25t-5t^2=0 | | 70-4t-16t^2=0 | | 4=70-4t-16t^2 | | 27=60t-5t^2 | | .5*70= | | -2x^2-7x-9=0 | | I=20000*.053*2 | | 42*9+10= | | I=20000*5.3*2 | | 8k-5k=9 | | k/5+2=9 | | B+9=15 | | B+1=16 | | 9k-4k=15 | | (x+3)(x-3)=27 | | --2x+9=59-7x | | -3(-7x-8)=45 | | 14x-14= | | 5k-4=4-3k | | 17=3g+3-g | | 17=3g+e-g | | 24=-2b-3+8 | | 4z-2+z=-13 | | 6x+6=41-x |

Equations solver categories