x^2+12x+75=0

Simple and best practice solution for x^2+12x+75=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+12x+75=0 equation:


Simplifying
x2 + 12x + 75 = 0

Reorder the terms:
75 + 12x + x2 = 0

Solving
75 + 12x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-75' to each side of the equation.
75 + 12x + -75 + x2 = 0 + -75

Reorder the terms:
75 + -75 + 12x + x2 = 0 + -75

Combine like terms: 75 + -75 = 0
0 + 12x + x2 = 0 + -75
12x + x2 = 0 + -75

Combine like terms: 0 + -75 = -75
12x + x2 = -75

The x term is 12x.  Take half its coefficient (6).
Square it (36) and add it to both sides.

Add '36' to each side of the equation.
12x + 36 + x2 = -75 + 36

Reorder the terms:
36 + 12x + x2 = -75 + 36

Combine like terms: -75 + 36 = -39
36 + 12x + x2 = -39

Factor a perfect square on the left side:
(x + 6)(x + 6) = -39

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| x^2+2x-220=0 | | 9/2+1 | | 73/4+2 | | 73/4+12 | | 5-4x=9-2x | | X-5y=30 | | 45=x^2+x | | (81/4)+1 | | (73/4)+2 | | (73/4)+12 | | (25/4)-3 | | (81/4)-2 | | 10x^2-57x+54=0 | | 36x^4-8x^3-28x^2=0 | | 1.8t-.03t^2-22=0 | | -5=4x^2+x | | 2x-36+4x^3=0 | | 8x-3=4x-12 | | (x^2-4x-3)=0 | | 4x*900=35 | | 2x^2-28x+80=0 | | 6p+21=15p-40 | | -x+6y=13 | | 6+y=3 | | 7/4+7i | | 3(2x+5)=4x+21 | | r^2+6r-9=0 | | y-9=13 | | 8n+5-n+13= | | x^2+5x+6=(x+2)(x+3) | | 1/2a-3=7-3/4a | | x+(x+7)=63 |

Equations solver categories