8x^2-65x=-484

Simple and best practice solution for 8x^2-65x=-484 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 8x^2-65x=-484 equation:


Simplifying
8x2 + -65x = -484

Reorder the terms:
-65x + 8x2 = -484

Solving
-65x + 8x2 = -484

Solving for variable 'x'.

Reorder the terms:
484 + -65x + 8x2 = -484 + 484

Combine like terms: -484 + 484 = 0
484 + -65x + 8x2 = 0

Begin completing the square.  Divide all terms by
8 the coefficient of the squared term: 

Divide each side by '8'.
60.5 + -8.125x + x2 = 0

Move the constant term to the right:

Add '-60.5' to each side of the equation.
60.5 + -8.125x + -60.5 + x2 = 0 + -60.5

Reorder the terms:
60.5 + -60.5 + -8.125x + x2 = 0 + -60.5

Combine like terms: 60.5 + -60.5 = 0.0
0.0 + -8.125x + x2 = 0 + -60.5
-8.125x + x2 = 0 + -60.5

Combine like terms: 0 + -60.5 = -60.5
-8.125x + x2 = -60.5

The x term is -8.125x.  Take half its coefficient (-4.0625).
Square it (16.50390625) and add it to both sides.

Add '16.50390625' to each side of the equation.
-8.125x + 16.50390625 + x2 = -60.5 + 16.50390625

Reorder the terms:
16.50390625 + -8.125x + x2 = -60.5 + 16.50390625

Combine like terms: -60.5 + 16.50390625 = -43.99609375
16.50390625 + -8.125x + x2 = -43.99609375

Factor a perfect square on the left side:
(x + -4.0625)(x + -4.0625) = -43.99609375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 68=12+7v | | 75t-26=18t | | 22-4v=10 | | 26=7y | | 2x+16=-1x-5 | | x+10.4=-4.2 | | 4x^2+4x-1=7x^2-7x+1 | | 4a+6=3a-13 | | x^2+3x-12=-4x+8 | | 7k-5k+9k-13k=12 | | 99-6x=30x+15 | | 19k+3k-21k+k-k=20 | | N=2+5n | | 14u-14u+u+3=18 | | x-x=64 | | 4d-3d+2=20 | | 4a-6=3a+13 | | 20t-5t-13t=4 | | f(x)=3x^2-3x+1 | | 12q+-10q=-8 | | 4+7(7+7y)= | | 12/3=a/3-2 | | -12q+-10q=-8 | | g(x)=x^3+1 | | 13p-9p=-12 | | -11w+18w+10w=17 | | Cos^2(3x)-3cos(3x)+2=0 | | 16b+b-10b-5b=16 | | -8(1-5m)=8m-40 | | 4x-13=71 | | 2k-19k=17 | | 15t+3t+t-13t-5t=16 |

Equations solver categories