X^2+18X+177=0

Simple and best practice solution for X^2+18X+177=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+18X+177=0 equation: 


Simplifying
X2 + 18X + 177 = 0

Reorder the terms:
177 + 18X + X2 = 0

Solving
177 + 18X + X2 = 0

Solving for variable 'X'.

Begin completing the square.

Move the constant term to the right:

Add '-177' to each side of the equation.
177 + 18X + -177 + X2 = 0 + -177

Reorder the terms:
177 + -177 + 18X + X2 = 0 + -177

Combine like terms: 177 + -177 = 0
0 + 18X + X2 = 0 + -177
18X + X2 = 0 + -177

Combine like terms: 0 + -177 = -177
18X + X2 = -177

The X term is 18X.  Take half its coefficient (9).
Square it (81) and add it to both sides.

Add '81' to each side of the equation.
18X + 81 + X2 = -177 + 81

Reorder the terms:
81 + 18X + X2 = -177 + 81

Combine like terms: -177 + 81 = -96
81 + 18X + X2 = -96

Factor a perfect square on the left side:
(X + 9)(X + 9) = -96

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| z+3=-5 | | 6x^2+10=-11x | | [w-9(x-3)]^2/5 | | y/7=-10 | | 18xsquared-8=0 | | 3x-6x^2=x | | -8=4+a | | 8p+6=62 | | -4=k-2 | | k-47.9=-21.6 | | 4w-6=3w-18 | | -6=r-2 | | x(x-9)+4=0 | | 3(x+5)=4x+8 | | 2(y+6)=3 | | 3x+93=126 | | -4+25=35 | | 47.9-k=-21.6 | | 6.9+x=10.7 | | -4.2/5.7 | | 2x^3-12x^2-98=0 | | (4x+6)-9= | | 1.7-x=-5.5 | | y^2=75 | | -4=7+k | | x=9x^3+2x^2-5x+4 | | 4.1+x=0.3 | | 2c=26 | | 7-(x-8)=15 | | Dsquared=41 | | =9x^3+2x^2-5x+4 | | 13x-37+2x+13=180 |

Equations solver categories