3x^2+10x+25=0

Simple and best practice solution for 3x^2+10x+25=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+25=0 equation: 


Simplifying
3x2 + 10x + 25 = 0

Reorder the terms:
25 + 10x + 3x2 = 0

Solving
25 + 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'.
8.333333333 + 3.333333333x + x2 = 0

Move the constant term to the right:

Add '-8.333333333' to each side of the equation.
8.333333333 + 3.333333333x + -8.333333333 + x2 = 0 + -8.333333333

Reorder the terms:
8.333333333 + -8.333333333 + 3.333333333x + x2 = 0 + -8.333333333

Combine like terms: 8.333333333 + -8.333333333 = 0.000000000
0.000000000 + 3.333333333x + x2 = 0 + -8.333333333
3.333333333x + x2 = 0 + -8.333333333

Combine like terms: 0 + -8.333333333 = -8.333333333
3.333333333x + x2 = -8.333333333

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 = -8.333333333 + 2.777777779

Reorder the terms:
2.777777779 + 3.333333333x + x2 = -8.333333333 + 2.777777779

Combine like terms: -8.333333333 + 2.777777779 = -5.555555554
2.777777779 + 3.333333333x + x2 = -5.555555554

Factor a perfect square on the left side:
(x + 1.666666667)(x + 1.666666667) = -5.555555554

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 4-3x=18+4x | | 3(-7+2)-5(3y)= | | -11n+2=-10n-3 | | 20y^2-20y=56 | | 8y-8=6y+2 | | 7c-4=24 | | 4x+7=44 | | 4-10=z | | 7(x+5)=7x+35 | | 3x^2-6x-100=-18x+35 | | -6x^2+5x+6=0 | | b+2=17 | | 2x^2+22=20x | | 5/9*67 | | 2.4y+46=20 | | 18-3(2y+6)= | | 19=2t | | -46-(-46)=x/7 | | 2t=9 | | -6(x+10)=-42 | | (3-7)(3-7)=16 | | y=-3/2(x)+(9/2)-3 | | x^2+x-9=3 | | y+3=-3/2(x-3) | | 3(4c-1)-2=10c+5 | | 7x-y=jforx | | 4+v=6+v | | -4-1+2+5...+x=490 | | 5k-17=23 | | 0.7(x-4)=42 | | 7(0)-4y=-28 | | 6w+4=42+1 |

Equations solver categories