59x^2-7x-8=0

Simple and best practice solution for 59x^2-7x-8=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 59x^2-7x-8=0 equation:


Simplifying
59x2 + -7x + -8 = 0

Reorder the terms:
-8 + -7x + 59x2 = 0

Solving
-8 + -7x + 59x2 = 0

Solving for variable 'x'.

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

Divide each side by '59'.
-0.1355932203 + -0.1186440678x + x2 = 0

Move the constant term to the right:

Add '0.1355932203' to each side of the equation.
-0.1355932203 + -0.1186440678x + 0.1355932203 + x2 = 0 + 0.1355932203

Reorder the terms:
-0.1355932203 + 0.1355932203 + -0.1186440678x + x2 = 0 + 0.1355932203

Combine like terms: -0.1355932203 + 0.1355932203 = 0.0000000000
0.0000000000 + -0.1186440678x + x2 = 0 + 0.1355932203
-0.1186440678x + x2 = 0 + 0.1355932203

Combine like terms: 0 + 0.1355932203 = 0.1355932203
-0.1186440678x + x2 = 0.1355932203

The x term is -0.1186440678x.  Take half its coefficient (-0.0593220339).
Square it (0.003519103706) and add it to both sides.

Add '0.003519103706' to each side of the equation.
-0.1186440678x + 0.003519103706 + x2 = 0.1355932203 + 0.003519103706

Reorder the terms:
0.003519103706 + -0.1186440678x + x2 = 0.1355932203 + 0.003519103706

Combine like terms: 0.1355932203 + 0.003519103706 = 0.139112324006
0.003519103706 + -0.1186440678x + x2 = 0.139112324006

Factor a perfect square on the left side:
(x + -0.0593220339)(x + -0.0593220339) = 0.139112324006

Calculate the square root of the right side: 0.372977645

Break this problem into two subproblems by setting 
(x + -0.0593220339) equal to 0.372977645 and -0.372977645.

Subproblem 1

x + -0.0593220339 = 0.372977645 Simplifying x + -0.0593220339 = 0.372977645 Reorder the terms: -0.0593220339 + x = 0.372977645 Solving -0.0593220339 + x = 0.372977645 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.0593220339' to each side of the equation. -0.0593220339 + 0.0593220339 + x = 0.372977645 + 0.0593220339 Combine like terms: -0.0593220339 + 0.0593220339 = 0.0000000000 0.0000000000 + x = 0.372977645 + 0.0593220339 x = 0.372977645 + 0.0593220339 Combine like terms: 0.372977645 + 0.0593220339 = 0.4322996789 x = 0.4322996789 Simplifying x = 0.4322996789

Subproblem 2

x + -0.0593220339 = -0.372977645 Simplifying x + -0.0593220339 = -0.372977645 Reorder the terms: -0.0593220339 + x = -0.372977645 Solving -0.0593220339 + x = -0.372977645 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.0593220339' to each side of the equation. -0.0593220339 + 0.0593220339 + x = -0.372977645 + 0.0593220339 Combine like terms: -0.0593220339 + 0.0593220339 = 0.0000000000 0.0000000000 + x = -0.372977645 + 0.0593220339 x = -0.372977645 + 0.0593220339 Combine like terms: -0.372977645 + 0.0593220339 = -0.3136556111 x = -0.3136556111 Simplifying x = -0.3136556111

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.4322996789, -0.3136556111}

See similar equations:

| X(3)=20 | | 6(a+2)=54 | | 34=7c-1 | | 2x-5x=8-x | | 2x^4-12x^3+10x^2=0 | | 2x(2/3)−8x(√3)−24=0 | | 6x-4=-16x+8 | | 2x^2/3-8x^1/3-24=0 | | 3x^6+3x^3-18=0 | | 4m^3+4m^2+m=0 | | 2lnx-ln(2x-7)=ln(5x)-ln(x-2) | | 2x+2x+x-15=60 | | -8x-3=-1 | | 3x^3-12x^2+9=0 | | F(X)=2(X-3) | | 5(3-2k)8(3k-4)-4(1+7k)= | | -9x+3=-8 | | 2x^3-3x^2+13x-6=0 | | 2x+1x=0 | | 63x+(13-17)-6x=63 | | x^2+2x+a=0 | | g(x)=(x-3)(16-4x) | | 3x-4y/3y-4x | | 3z-a+12-2a+z+2= | | X^8=1000 | | 0.2/1=2/x | | 0.2/1=x/2 | | 0.4-(1.2+0.8)+2.1=1.4x-(2.7x-0.8) | | 0.5/1=5/x | | .2w=18 | | 6.5/1=x/4 | | 8/1=x/2 |

Equations solver categories