x^2+5x+125=0

Simple and best practice solution for x^2+5x+125=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 x^2+5x+125=0 equation:


Simplifying
x2 + 5x + 125 = 0

Reorder the terms:
125 + 5x + x2 = 0

Solving
125 + 5x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-125' to each side of the equation.
125 + 5x + -125 + x2 = 0 + -125

Reorder the terms:
125 + -125 + 5x + x2 = 0 + -125

Combine like terms: 125 + -125 = 0
0 + 5x + x2 = 0 + -125
5x + x2 = 0 + -125

Combine like terms: 0 + -125 = -125
5x + x2 = -125

The x term is 5x.  Take half its coefficient (2.5).
Square it (6.25) and add it to both sides.

Add '6.25' to each side of the equation.
5x + 6.25 + x2 = -125 + 6.25

Reorder the terms:
6.25 + 5x + x2 = -125 + 6.25

Combine like terms: -125 + 6.25 = -118.75
6.25 + 5x + x2 = -118.75

Factor a perfect square on the left side:
(x + 2.5)(x + 2.5) = -118.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| -3x-7=4x-35 | | 4x^2+5x+125=0 | | 2c^2+9cw-35w^2=0 | | 40w^3+36w^2+8w=0 | | 5x-3-2x=4x+7 | | 4x-11=3x+11 | | (4p-3q)(9p+2q)=36p^2-19pq-6q^2 | | 8x^3+6x^2-9x=0 | | 3x+8x=22 | | 3m+3=3 | | 30z^2-35z+10=0 | | 1.5s-1.2-s=.5 | | 2q^2+11qd-63d^2=0 | | 12(2x-6)=3(8x+3) | | (x-9)(x-9)=10 | | 5r-4r-6=-7 | | 12(2x-6)=(8x+3) | | 16=3w/5 | | 11-x= | | 5z^2+32z-21=0 | | 8=3k+5-3k | | (x-9)(x-9)=x-11 | | 8x+3=6x+19 | | 5z^2+39z+28=0 | | 3x^2=8w | | ln(x)+ln(x+6)=6 | | 3y^2+17y+10=0 | | -7(3-x)+x=2x-15 | | X^2-20+75=0 | | 6x+2(x-1)=30 | | 3z^2-19z+20=0 | | 4y^2-33y+35=0 |

Equations solver categories