8x^2-8x=1

Simple and best practice solution for 8x^2-8x=1 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^2-8x=1 equation:


Simplifying
8x2 + -8x = 1

Reorder the terms:
-8x + 8x2 = 1

Solving
-8x + 8x2 = 1

Solving for variable 'x'.

Reorder the terms:
-1 + -8x + 8x2 = 1 + -1

Combine like terms: 1 + -1 = 0
-1 + -8x + 8x2 = 0

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

Divide each side by '8'.
-0.125 + -1x + x2 = 0

Move the constant term to the right:

Add '0.125' to each side of the equation.
-0.125 + -1x + 0.125 + x2 = 0 + 0.125

Reorder the terms:
-0.125 + 0.125 + -1x + x2 = 0 + 0.125

Combine like terms: -0.125 + 0.125 = 0.000
0.000 + -1x + x2 = 0 + 0.125
-1x + x2 = 0 + 0.125

Combine like terms: 0 + 0.125 = 0.125
-1x + x2 = 0.125

The x term is -1x.  Take half its coefficient (-0.5).
Square it (0.25) and add it to both sides.

Add '0.25' to each side of the equation.
-1x + 0.25 + x2 = 0.125 + 0.25

Reorder the terms:
0.25 + -1x + x2 = 0.125 + 0.25

Combine like terms: 0.125 + 0.25 = 0.375
0.25 + -1x + x2 = 0.375

Factor a perfect square on the left side:
(x + -0.5)(x + -0.5) = 0.375

Calculate the square root of the right side: 0.612372436

Break this problem into two subproblems by setting 
(x + -0.5) equal to 0.612372436 and -0.612372436.

Subproblem 1

x + -0.5 = 0.612372436 Simplifying x + -0.5 = 0.612372436 Reorder the terms: -0.5 + x = 0.612372436 Solving -0.5 + x = 0.612372436 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.5' to each side of the equation. -0.5 + 0.5 + x = 0.612372436 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + x = 0.612372436 + 0.5 x = 0.612372436 + 0.5 Combine like terms: 0.612372436 + 0.5 = 1.112372436 x = 1.112372436 Simplifying x = 1.112372436

Subproblem 2

x + -0.5 = -0.612372436 Simplifying x + -0.5 = -0.612372436 Reorder the terms: -0.5 + x = -0.612372436 Solving -0.5 + x = -0.612372436 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.5' to each side of the equation. -0.5 + 0.5 + x = -0.612372436 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + x = -0.612372436 + 0.5 x = -0.612372436 + 0.5 Combine like terms: -0.612372436 + 0.5 = -0.112372436 x = -0.112372436 Simplifying x = -0.112372436

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.112372436, -0.112372436}

See similar equations:

| x(x-3)=17+x*x | | -2x*2-30=0 | | (x/4-x/3-2/3)/5=(x-3)/2 | | -5=x+3 | | 15.99-0.98m=294.31 | | (n+1)+(n+2)=-50 | | 15.99-0.98=294.31 | | 3y+(3y-4)=7y-3(y-10) | | -w^2=5w | | (x/4-x-2/3)/5=(x-3)/2 | | (x/4-x-2/3)/5=x-3/2 | | a/2-2=3a/5+4 | | x-(-7)=-10 | | 2(a-7)=6(1+a) | | 6(X-3)=-42 | | a/2-=3a/5+4 | | 2x+5y=-15 | | 3|x+3|-15=10 | | 5x+5y=19 | | -x+-4=10 | | 1.5x+4.3=2.1-x | | 4|2x-7|+6=30 | | 5+3(p-4)=2(p+3) | | 2r-s=17 | | -p+4(2p-3)+6= | | 14-7.5x=5 | | 22y+55-55y=22 | | c+(c+3)+(c+2)=26 | | -2x-5=-13 | | c+(c+3)+(c+2)=27 | | -6-11k+5k=-10(-k-9)+3(k+6) | | 2x+2s=50 |

Equations solver categories