x^2+8x+144=0

Simple and best practice solution for x^2+8x+144=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+8x+144=0 equation:


Simplifying
x2 + 8x + 144 = 0

Reorder the terms:
144 + 8x + x2 = 0

Solving
144 + 8x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-144' to each side of the equation.
144 + 8x + -144 + x2 = 0 + -144

Reorder the terms:
144 + -144 + 8x + x2 = 0 + -144

Combine like terms: 144 + -144 = 0
0 + 8x + x2 = 0 + -144
8x + x2 = 0 + -144

Combine like terms: 0 + -144 = -144
8x + x2 = -144

The x term is 8x.  Take half its coefficient (4).
Square it (16) and add it to both sides.

Add '16' to each side of the equation.
8x + 16 + x2 = -144 + 16

Reorder the terms:
16 + 8x + x2 = -144 + 16

Combine like terms: -144 + 16 = -128
16 + 8x + x2 = -128

Factor a perfect square on the left side:
(x + 4)(x + 4) = -128

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 4(y+3)+7=3 | | F(F)(4)(3.14159)(3.14159)(L)(C)=1 | | 101-n=(n+9)(n+9) | | 1/6-x/2=x-5/3 | | 4x+7y=0 | | 25=m-14 | | m(m)=(m+1)+109(109) | | 2y-3(y+1)=-(5y+3)+y | | 0.4(x+5)-0.3x=17 | | 0.4(x+5)-0.3=17 | | x^2-10x+5=-1 | | -a(a)+a+400=0 | | a(a)+a+400=0 | | 4x^2-76x-180=0 | | 5X+300=102 | | 16+2x-3=x | | y=6-7x | | y^2+11y+11=5y+3 | | x^2=x^2-8 | | x^2=x^2-18 | | -10=(5y-2)(5y-2) | | 13x^2-5x-4=0 | | -6=1/2-10 | | 10xy=w | | 2x^23=10x-24 | | 3(x-23)+2(x-2)=17 | | 6x^2+18x-60= | | 17x-53=97-8x | | x^2+14x-48=0 | | 2(x+13)(x-3)= | | 81.6x=204(14-x) | | 2x+7=5x+15 |

Equations solver categories