7x^2-3x+3=0

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


Simplifying
7x2 + -3x + 3 = 0

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

Solving
3 + -3x + 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 + -0.4285714286x + x2 = 0

Move the constant term to the right:

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

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

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

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

The x term is -0.4285714286x.  Take half its coefficient (-0.2142857143).
Square it (0.04591836735) and add it to both sides.

Add '0.04591836735' to each side of the equation.
-0.4285714286x + 0.04591836735 + x2 = -0.4285714286 + 0.04591836735

Reorder the terms:
0.04591836735 + -0.4285714286x + x2 = -0.4285714286 + 0.04591836735

Combine like terms: -0.4285714286 + 0.04591836735 = -0.38265306125
0.04591836735 + -0.4285714286x + x2 = -0.38265306125

Factor a perfect square on the left side:
(x + -0.2142857143)(x + -0.2142857143) = -0.38265306125

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| -4x^2-20x-15=0 | | 4y+2=30 | | (3w-8)(6-w)=0 | | 3x+7=3x-9 | | 2/3x+3/4x=-34 | | 3(0.6+0.8y)+2y=4 | | n=(3)-7 | | 8(x-6)=5x+3(x-16) | | c=.25m(r+z) | | 1/1+1/a/1/1-1/a | | 11t+3t-5= | | 7x+-2(x+-5)=3(x+-2)+-5x | | 3/4=4x-5/6 | | .2(x+5)=x+5 | | x+4=(x-4)2 | | z^2-7=-30 | | 3/4=4x-5 | | 3[z-(3z+18)+8]=5(z+5) | | 5(.666y+1.333)-4y=3 | | (4x-5/2)-(2x-1/6)=x | | 16x+24=7[x+6] | | (.6)y-4(9)=3-2y | | 32+2y=4 | | 3(15)+x=54 | | 54+6x+4(54-3x)=180 | | 2(z+1)-(5z-4)= | | (19b-6)-9(2b+4)=-2 | | 2(2)y+1=(2)y+3 | | 9x-8=16x+27 | | 12x+2.6=6.8x | | 54=3y+x | | 54=3x+y |

Equations solver categories