3x^2-10x+77=0

Simple and best practice solution for 3x^2-10x+77=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 3x^2-10x+77=0 equation:


Simplifying
3x2 + -10x + 77 = 0

Reorder the terms:
77 + -10x + 3x2 = 0

Solving
77 + -10x + 3x2 = 0

Solving for variable 'x'.

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

Divide each side by '3'.
25.66666667 + -3.333333333x + x2 = 0

Move the constant term to the right:

Add '-25.66666667' to each side of the equation.
25.66666667 + -3.333333333x + -25.66666667 + x2 = 0 + -25.66666667

Reorder the terms:
25.66666667 + -25.66666667 + -3.333333333x + x2 = 0 + -25.66666667

Combine like terms: 25.66666667 + -25.66666667 = 0.00000000
0.00000000 + -3.333333333x + x2 = 0 + -25.66666667
-3.333333333x + x2 = 0 + -25.66666667

Combine like terms: 0 + -25.66666667 = -25.66666667
-3.333333333x + x2 = -25.66666667

The x term is -3.333333333x.  Take half its coefficient (-1.666666667).
Square it (2.777777779) and add it to both sides.

Add '2.777777779' to each side of the equation.
-3.333333333x + 2.777777779 + x2 = -25.66666667 + 2.777777779

Reorder the terms:
2.777777779 + -3.333333333x + x2 = -25.66666667 + 2.777777779

Combine like terms: -25.66666667 + 2.777777779 = -22.888888891
2.777777779 + -3.333333333x + x2 = -22.888888891

Factor a perfect square on the left side:
(x + -1.666666667)(x + -1.666666667) = -22.888888891

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 2v^5*5x*2x^6v^4= | | 3x^3+9x^2+6=0 | | 4n+5=27 | | 1.75X+50.00X=39.99+2.50X | | 56/14 | | 2x+60=4x+20 | | 2x/3-1/2=2x+5/6 | | 4=(3/4)(9x+12) | | -2/3+c=5/6 | | 31.4/3.14 | | 7=(1/6)(8x+18) | | 7=(1/6)(8x+16) | | 9.09x=200 | | x=y+50 | | 3(x-3)=9+5f | | 5(y-2)+8=43 | | r^2+18.5r-4=0 | | 3x-5y=-42 | | (5-v)(5v-1)=0 | | -2-(-2)=2 | | 2x^3+15x^2+36x+24=0 | | 1=(2/3)(8x-3) | | 6x+80=180 | | b^2+16b-225=0 | | y=6.3+4.8x+-0.04x^2 | | 4n+5-n=-10 | | 9/2.25 | | y=-0.04x^2+4.8x+6.3 | | -5/6(9+11)=19 | | 7/5=x/20-(5-x)/2 | | 780-100x=10x | | 78=11x |

Equations solver categories