x^2-8x+240=0

Simple and best practice solution for x^2-8x+240=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+240=0 equation:


Simplifying
x2 + -8x + 240 = 0

Reorder the terms:
240 + -8x + x2 = 0

Solving
240 + -8x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-240' to each side of the equation.
240 + -8x + -240 + x2 = 0 + -240

Reorder the terms:
240 + -240 + -8x + x2 = 0 + -240

Combine like terms: 240 + -240 = 0
0 + -8x + x2 = 0 + -240
-8x + x2 = 0 + -240

Combine like terms: 0 + -240 = -240
-8x + x2 = -240

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 = -240 + 16

Reorder the terms:
16 + -8x + x2 = -240 + 16

Combine like terms: -240 + 16 = -224
16 + -8x + x2 = -224

Factor a perfect square on the left side:
(x + -4)(x + -4) = -224

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| T=3s+3.02 | | 0=-18+35t-16t^2 | | 3x-5(x-5)=-6+5x-25 | | 2=0.022x^2+0.25 | | 36=2(l+10) | | y=5sine(2x+12)+3 | | ln(3x-3)=2.3 | | y=5sin(2x+12)+3 | | (x-12)(x+15)=0 | | x-1=2x-11 | | 15-42=3(x-3)-3 | | 8cos(5x)=7 | | 5(5x-4)=5x-3 | | 8n-7=-9+9n | | 96+-3x= | | 2m-15=-23+m | | X+(3x+13)=109 | | -6(x+11)+641=26+21 | | 2x+46+x+x-18=180 | | 7(x-6)-7=22x-94 | | x^2+8x-974=0 | | 2(6a-1)-(2a-3)+3(7a-5)=0 | | 16a+4=16 | | 3y-7=-6 | | 3x^2-64-144=0 | | 3/7=5/q | | 5x+3x+20-2-2x=0 | | -10x^2-45-6x^2=4+45 | | y=14*156/72+567/34*72 | | 11u=2u+18 | | 4r^2-9*4=0 | | 100x^2=400 |

Equations solver categories