7*x^2-5*x+3=0

Simple and best practice solution for 7*x^2-5*x+3=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 7*x^2-5*x+3=0 equation:


Simplifying
7x2 + -5x + 3 = 0

Reorder the terms:
3 + -5x + 7x2 = 0

Solving
3 + -5x + 7x2 = 0

Solving for variable 'x'.

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

Divide each side by '7'.
0.4285714286 + -0.7142857143x + x2 = 0

Move the constant term to the right:

Add '-0.4285714286' to each side of the equation.
0.4285714286 + -0.7142857143x + -0.4285714286 + x2 = 0 + -0.4285714286

Reorder the terms:
0.4285714286 + -0.4285714286 + -0.7142857143x + x2 = 0 + -0.4285714286

Combine like terms: 0.4285714286 + -0.4285714286 = 0.0000000000
0.0000000000 + -0.7142857143x + x2 = 0 + -0.4285714286
-0.7142857143x + x2 = 0 + -0.4285714286

Combine like terms: 0 + -0.4285714286 = -0.4285714286
-0.7142857143x + x2 = -0.4285714286

The x term is -0.7142857143x.  Take half its coefficient (-0.3571428572).
Square it (0.1275510204) and add it to both sides.

Add '0.1275510204' to each side of the equation.
-0.7142857143x + 0.1275510204 + x2 = -0.4285714286 + 0.1275510204

Reorder the terms:
0.1275510204 + -0.7142857143x + x2 = -0.4285714286 + 0.1275510204

Combine like terms: -0.4285714286 + 0.1275510204 = -0.3010204082
0.1275510204 + -0.7142857143x + x2 = -0.3010204082

Factor a perfect square on the left side:
(x + -0.3571428572)(x + -0.3571428572) = -0.3010204082

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 7=-y+3 | | -(-2x+3)=13 | | 5(x-2)-2(x+1)=(2+x)+3(1-x) | | 2x+6+9=11 | | 7*x^2-5*x+3= | | x-x-7855=210355 | | 4[3n-2]=36 | | 7c=42 | | 4[n-2]=36 | | w-3d=m | | 3x+15-12=24 | | -17/4=v-2 | | x+3x=76000 | | y+.1=.05 | | 6x+44+8x+52=180 | | 7-(5x+2)=4(x+8) | | 18+8p=-30 | | 6m+3n-8m+2n= | | f(d)=2d-5 | | 2a^3+4b^3-4a^3-4a^2b+3ab-4b^3= | | 2v-3=n | | x+5x=39654 | | -0.83d=0.44 | | -9--6=h | | 5x=6x+4 | | 4x-2x+24=120 | | 2c-3+8c=1-16-2c | | -4x+14=2*5x | | x+4x=33025 | | 4.65km+700m= | | 5v-6=z | | 5a-10a=25 |

Equations solver categories