3x^2-10x+122=0

Simple and best practice solution for 3x^2-10x+122=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+122=0 equation:


Simplifying
3x2 + -10x + 122 = 0

Reorder the terms:
122 + -10x + 3x2 = 0

Solving
122 + -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'.
40.66666667 + -3.333333333x + x2 = 0

Move the constant term to the right:

Add '-40.66666667' to each side of the equation.
40.66666667 + -3.333333333x + -40.66666667 + x2 = 0 + -40.66666667

Reorder the terms:
40.66666667 + -40.66666667 + -3.333333333x + x2 = 0 + -40.66666667

Combine like terms: 40.66666667 + -40.66666667 = 0.00000000
0.00000000 + -3.333333333x + x2 = 0 + -40.66666667
-3.333333333x + x2 = 0 + -40.66666667

Combine like terms: 0 + -40.66666667 = -40.66666667
-3.333333333x + x2 = -40.66666667

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 = -40.66666667 + 2.777777779

Reorder the terms:
2.777777779 + -3.333333333x + x2 = -40.66666667 + 2.777777779

Combine like terms: -40.66666667 + 2.777777779 = -37.888888891
2.777777779 + -3.333333333x + x2 = -37.888888891

Factor a perfect square on the left side:
(x + -1.666666667)(x + -1.666666667) = -37.888888891

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 75(b-300)=450 | | n/n-12 | | 4x-6+22=-6x+18+4 | | 3x-15=4(x-7) | | -70+x=62+7x | | -16-(2n+3)= | | 18+20x=21+19x | | 5f-9=-x+12 | | y=-4-2(-1) | | 14x-4+9x=180 | | 2(3x-2)+3(x+1)-4=5x-3(x+1) | | (5x+2)+(8x+4)=(15x-18) | | 8x-18y=36 | | 14x-4=9x | | 3y-5x=11 | | 25+15x=17+17x | | 3x-32=6x+19 | | 4=-5b+16 | | 7x-4x+2=x+2x-5 | | 25+15(4)= | | 300(b-4)=450 | | 2sinx=cave | | -100+4x=36+12x | | 7w-3w=w-12.6 | | =5+3(4-2) | | 4(b-300)=450 | | 3x+3x-5=133 | | .45=36+f | | d=65*6 | | 1.946715x=1 | | 10(b-300)=450 | | -2S-1+7S=5S |

Equations solver categories