-8x^2+3x+3=0

Simple and best practice solution for -8x^2+3x+3=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 -8x^2+3x+3=0 equation:


Simplifying
-8x2 + 3x + 3 = 0

Reorder the terms:
3 + 3x + -8x2 = 0

Solving
3 + 3x + -8x2 = 0

Solving for variable 'x'.

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

Divide each side by '-8'.
-0.375 + -0.375x + x2 = 0

Move the constant term to the right:

Add '0.375' to each side of the equation.
-0.375 + -0.375x + 0.375 + x2 = 0 + 0.375

Reorder the terms:
-0.375 + 0.375 + -0.375x + x2 = 0 + 0.375

Combine like terms: -0.375 + 0.375 = 0.000
0.000 + -0.375x + x2 = 0 + 0.375
-0.375x + x2 = 0 + 0.375

Combine like terms: 0 + 0.375 = 0.375
-0.375x + x2 = 0.375

The x term is -0.375x.  Take half its coefficient (-0.1875).
Square it (0.03515625) and add it to both sides.

Add '0.03515625' to each side of the equation.
-0.375x + 0.03515625 + x2 = 0.375 + 0.03515625

Reorder the terms:
0.03515625 + -0.375x + x2 = 0.375 + 0.03515625

Combine like terms: 0.375 + 0.03515625 = 0.41015625
0.03515625 + -0.375x + x2 = 0.41015625

Factor a perfect square on the left side:
(x + -0.1875)(x + -0.1875) = 0.41015625

Calculate the square root of the right side: 0.640434423

Break this problem into two subproblems by setting 
(x + -0.1875) equal to 0.640434423 and -0.640434423.

Subproblem 1

x + -0.1875 = 0.640434423 Simplifying x + -0.1875 = 0.640434423 Reorder the terms: -0.1875 + x = 0.640434423 Solving -0.1875 + x = 0.640434423 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.1875' to each side of the equation. -0.1875 + 0.1875 + x = 0.640434423 + 0.1875 Combine like terms: -0.1875 + 0.1875 = 0.0000 0.0000 + x = 0.640434423 + 0.1875 x = 0.640434423 + 0.1875 Combine like terms: 0.640434423 + 0.1875 = 0.827934423 x = 0.827934423 Simplifying x = 0.827934423

Subproblem 2

x + -0.1875 = -0.640434423 Simplifying x + -0.1875 = -0.640434423 Reorder the terms: -0.1875 + x = -0.640434423 Solving -0.1875 + x = -0.640434423 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.1875' to each side of the equation. -0.1875 + 0.1875 + x = -0.640434423 + 0.1875 Combine like terms: -0.1875 + 0.1875 = 0.0000 0.0000 + x = -0.640434423 + 0.1875 x = -0.640434423 + 0.1875 Combine like terms: -0.640434423 + 0.1875 = -0.452934423 x = -0.452934423 Simplifying x = -0.452934423

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.827934423, -0.452934423}

See similar equations:

| 5p+7=4p-1 | | 5(x-5)=3x-11 | | 12m+3=10m+16 | | 6y-5=y-20 | | 3x-10=5x+1 | | 3(4m+1)=2(5m+4) | | 6x-6=11x-11 | | 25-2(4x+2)=7x-6(4x-2) | | 3x-(2x+5)=12+5(x-1) | | 3x-(2x+5)=12+5(x+1) | | 4(2d-7)=32 | | 4y-6=2y-5 | | 3a-a=b+c | | 3x+5y-67=3 | | 2x^2-11=85 | | 3a=(a-b)+c | | 5(m-1)=2(2m+6) | | 4(4x-1)-2=-3x+3(2x-7) | | 13x=-15 | | 8+9a=20-3a | | 15x-1=7x-17 | | -5(x-7)=4(x+4)-8 | | 1x+2=3+5x | | 1x+2=5x+3 | | 15x+6y=180 | | 3x-12=18x+18 | | 2+8x-9=8x+9-4x | | (7m-21)+(m+9)=15 | | -2x(x-3)+x=13 | | 9x-9=5x-5 | | 5(x-3)=18 | | 4(2v+7)+v=35+8v |

Equations solver categories