5x^2+8x+25=0

Simple and best practice solution for 5x^2+8x+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 5x^2+8x+25=0 equation:


Simplifying
5x2 + 8x + 25 = 0

Reorder the terms:
25 + 8x + 5x2 = 0

Solving
25 + 8x + 5x2 = 0

Solving for variable 'x'.

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

Divide each side by '5'.
5 + 1.6x + x2 = 0

Move the constant term to the right:

Add '-5' to each side of the equation.
5 + 1.6x + -5 + x2 = 0 + -5

Reorder the terms:
5 + -5 + 1.6x + x2 = 0 + -5

Combine like terms: 5 + -5 = 0
0 + 1.6x + x2 = 0 + -5
1.6x + x2 = 0 + -5

Combine like terms: 0 + -5 = -5
1.6x + x2 = -5

The x term is 1.6x.  Take half its coefficient (0.8).
Square it (0.64) and add it to both sides.

Add '0.64' to each side of the equation.
1.6x + 0.64 + x2 = -5 + 0.64

Reorder the terms:
0.64 + 1.6x + x2 = -5 + 0.64

Combine like terms: -5 + 0.64 = -4.36
0.64 + 1.6x + x2 = -4.36

Factor a perfect square on the left side:
(x + 0.8)(x + 0.8) = -4.36

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 5(3x-3)-4=6x-2 | | 0.15-x+0.5=0.6 | | -5/w=3/9 | | 3x+48-32=64 | | 3/5=m/25 | | (2x+7)(2x+7)=81 | | 3/5=m/24 | | (19-2x)(18-2x)=110 | | z^4-z^3+27iz-27i=0 | | 22x^2+12x+4=0 | | 3x+12-8=16 | | -8x-5=5x+112 | | -3=a-1 | | 3x+48-8=16y | | 12k-h^2= | | -4x-3=8x-15 | | x^4+2x^3+5x^2-9x+6=0 | | 90=-2(5x-8)+4 | | 12k-4= | | 5.2x=6-3.2x | | 2x^3-3x^2-10x+15= | | 2+5(4n-7)=-193 | | 11x^2*6x+2=0 | | 3x+12-2y=4y | | 4=5x+69y | | 3x+12=x+17 | | 4x+12-2y=4y | | 40=10p+90 | | 4log(x^2+2x-8)=2 | | 8y-6=2(2y+5) | | -12=6p-8p | | 5w^2+20=0 |

Equations solver categories