3x^2+5x+25=

Simple and best practice solution for 3x^2+5x+25= 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+5x+25= equation:


Simplifying
3x2 + 5x + 25 = 0

Reorder the terms:
25 + 5x + 3x2 = 0

Solving
25 + 5x + 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 + 1.666666667x + x2 = 0

Move the constant term to the right:

Add '-8.333333333' to each side of the equation.
8.333333333 + 1.666666667x + -8.333333333 + x2 = 0 + -8.333333333

Reorder the terms:
8.333333333 + -8.333333333 + 1.666666667x + x2 = 0 + -8.333333333

Combine like terms: 8.333333333 + -8.333333333 = 0.000000000
0.000000000 + 1.666666667x + x2 = 0 + -8.333333333
1.666666667x + x2 = 0 + -8.333333333

Combine like terms: 0 + -8.333333333 = -8.333333333
1.666666667x + x2 = -8.333333333

The x term is 1.666666667x.  Take half its coefficient (0.8333333335).
Square it (0.6944444447) and add it to both sides.

Add '0.6944444447' to each side of the equation.
1.666666667x + 0.6944444447 + x2 = -8.333333333 + 0.6944444447

Reorder the terms:
0.6944444447 + 1.666666667x + x2 = -8.333333333 + 0.6944444447

Combine like terms: -8.333333333 + 0.6944444447 = -7.6388888883
0.6944444447 + 1.666666667x + x2 = -7.6388888883

Factor a perfect square on the left side:
(x + 0.8333333335)(x + 0.8333333335) = -7.6388888883

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 2x-6=36+9 | | 3(2x-4)=2(4x+7) | | 3(2x-4)=2(4x+6) | | 2x+32=x+47 | | 3c+20=x | | 3x+2x+4=x+15 | | 3x+2-x=36 | | sqrt(3)cos(x)=-1 | | 2(p-5)=6 | | (a+30)+(2a+30)=180 | | 13x+17=160 | | 5=-3n+5+3n | | 4(n+5)=20+4n | | 5x+4y=1400 | | 42x+4+15x+5=180 | | x^2+bx+25=b | | 6(x-2)+3=12 | | 4k=245 | | X+24+x+61=180 | | 7x+15+12x-6=180 | | 5y+12=67 | | -2k+3k-8+5k= | | 2x-17=x+15 | | X+3=2x+61 | | -216=6(-5m-6) | | 4=-16t^2-14t+8 | | W^2+2w-765=0 | | 4z+-12=5z | | X=200000+.7x | | 4+41=5(3x-9) | | 8x+42=10x+12 | | (3x^3+6y^2)(2x-5y^3)= |

Equations solver categories