x^2+8x+16=180

Simple and best practice solution for x^2+8x+16=180 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+16=180 equation:


Simplifying
x2 + 8x + 16 = 180

Reorder the terms:
16 + 8x + x2 = 180

Solving
16 + 8x + x2 = 180

Solving for variable 'x'.

Reorder the terms:
16 + -180 + 8x + x2 = 180 + -180

Combine like terms: 16 + -180 = -164
-164 + 8x + x2 = 180 + -180

Combine like terms: 180 + -180 = 0
-164 + 8x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '164' to each side of the equation.
-164 + 8x + 164 + x2 = 0 + 164

Reorder the terms:
-164 + 164 + 8x + x2 = 0 + 164

Combine like terms: -164 + 164 = 0
0 + 8x + x2 = 0 + 164
8x + x2 = 0 + 164

Combine like terms: 0 + 164 = 164
8x + x2 = 164

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 = 164 + 16

Reorder the terms:
16 + 8x + x2 = 164 + 16

Combine like terms: 164 + 16 = 180
16 + 8x + x2 = 180

Factor a perfect square on the left side:
(x + 4)(x + 4) = 180

Calculate the square root of the right side: 13.416407865

Break this problem into two subproblems by setting 
(x + 4) equal to 13.416407865 and -13.416407865.

Subproblem 1

x + 4 = 13.416407865 Simplifying x + 4 = 13.416407865 Reorder the terms: 4 + x = 13.416407865 Solving 4 + x = 13.416407865 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + x = 13.416407865 + -4 Combine like terms: 4 + -4 = 0 0 + x = 13.416407865 + -4 x = 13.416407865 + -4 Combine like terms: 13.416407865 + -4 = 9.416407865 x = 9.416407865 Simplifying x = 9.416407865

Subproblem 2

x + 4 = -13.416407865 Simplifying x + 4 = -13.416407865 Reorder the terms: 4 + x = -13.416407865 Solving 4 + x = -13.416407865 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + x = -13.416407865 + -4 Combine like terms: 4 + -4 = 0 0 + x = -13.416407865 + -4 x = -13.416407865 + -4 Combine like terms: -13.416407865 + -4 = -17.416407865 x = -17.416407865 Simplifying x = -17.416407865

Solution

The solution to the problem is based on the solutions from the subproblems. x = {9.416407865, -17.416407865}

See similar equations:

| 8h+1o=66 | | 2x^2+2y^2-4x+8y+2=0 | | a/6-4=5 | | 6x+3y=-7 | | 3b-8=9 | | 5=2a+7 | | f/4+5=53 | | -2m+3=7 | | 7/3-2/3(x-10)=3/5(x-4) | | y/4-4=11 | | 6y+2=9Y-5 | | .25x=66 | | 15y^2-29y-14= | | x+56=24 | | t/15-1=2 | | 2[x-3]=2x-6 | | 2cos^2(4pi)-1=0 | | .60x=20 | | 5x+8(x+1)=2(x+5) | | 4y-6-8y-7= | | X+.06x=18.50 | | 2*ln(x-2)+2ln(2)=2 | | X+(x-20)=30 | | 2r^2+4r-16=0 | | 223x+13y-6=0 | | 4(3t-2)=8 | | 5n+5=33-2n | | a/12-5=6 | | X+x*0.2=360 | | -9+6x=-3(3-2x) | | 2p^2+4p+20=1000 | | -7m+60-7(m-1)=8m-(2m-4)-6m+7 |

Equations solver categories