9x^2-6x-37=0

Simple and best practice solution for 9x^2-6x-37=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 9x^2-6x-37=0 equation:


Simplifying
9x2 + -6x + -37 = 0

Reorder the terms:
-37 + -6x + 9x2 = 0

Solving
-37 + -6x + 9x2 = 0

Solving for variable 'x'.

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

Divide each side by '9'.
-4.111111111 + -0.6666666667x + x2 = 0

Move the constant term to the right:

Add '4.111111111' to each side of the equation.
-4.111111111 + -0.6666666667x + 4.111111111 + x2 = 0 + 4.111111111

Reorder the terms:
-4.111111111 + 4.111111111 + -0.6666666667x + x2 = 0 + 4.111111111

Combine like terms: -4.111111111 + 4.111111111 = 0.000000000
0.000000000 + -0.6666666667x + x2 = 0 + 4.111111111
-0.6666666667x + x2 = 0 + 4.111111111

Combine like terms: 0 + 4.111111111 = 4.111111111
-0.6666666667x + x2 = 4.111111111

The x term is -0.6666666667x.  Take half its coefficient (-0.3333333334).
Square it (0.1111111112) and add it to both sides.

Add '0.1111111112' to each side of the equation.
-0.6666666667x + 0.1111111112 + x2 = 4.111111111 + 0.1111111112

Reorder the terms:
0.1111111112 + -0.6666666667x + x2 = 4.111111111 + 0.1111111112

Combine like terms: 4.111111111 + 0.1111111112 = 4.2222222222
0.1111111112 + -0.6666666667x + x2 = 4.2222222222

Factor a perfect square on the left side:
(x + -0.3333333334)(x + -0.3333333334) = 4.2222222222

Calculate the square root of the right side: 2.054804668

Break this problem into two subproblems by setting 
(x + -0.3333333334) equal to 2.054804668 and -2.054804668.

Subproblem 1

x + -0.3333333334 = 2.054804668 Simplifying x + -0.3333333334 = 2.054804668 Reorder the terms: -0.3333333334 + x = 2.054804668 Solving -0.3333333334 + x = 2.054804668 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.3333333334' to each side of the equation. -0.3333333334 + 0.3333333334 + x = 2.054804668 + 0.3333333334 Combine like terms: -0.3333333334 + 0.3333333334 = 0.0000000000 0.0000000000 + x = 2.054804668 + 0.3333333334 x = 2.054804668 + 0.3333333334 Combine like terms: 2.054804668 + 0.3333333334 = 2.3881380014 x = 2.3881380014 Simplifying x = 2.3881380014

Subproblem 2

x + -0.3333333334 = -2.054804668 Simplifying x + -0.3333333334 = -2.054804668 Reorder the terms: -0.3333333334 + x = -2.054804668 Solving -0.3333333334 + x = -2.054804668 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.3333333334' to each side of the equation. -0.3333333334 + 0.3333333334 + x = -2.054804668 + 0.3333333334 Combine like terms: -0.3333333334 + 0.3333333334 = 0.0000000000 0.0000000000 + x = -2.054804668 + 0.3333333334 x = -2.054804668 + 0.3333333334 Combine like terms: -2.054804668 + 0.3333333334 = -1.7214713346 x = -1.7214713346 Simplifying x = -1.7214713346

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.3881380014, -1.7214713346}

See similar equations:

| 80/8=18/x | | 5(x+6)=110/11 | | 24.66+2.5x=40 | | 4(x-5)=42 | | 27j-6=13s-10 | | 18-3y^2+5y^2-y^5+7y^6= | | 6(z+4)=10 | | 5x+28=7 | | 12=.4*x | | 5y+y=2y+24 | | 46-v=225 | | -9x^2+100= | | 5x+6y=42 | | 2w+9=29 | | 52x=0.42 | | 3y+x+2=2x+10 | | 4+4x=20-(5+3x) | | 5w+2=-8 | | 4m^2+28mn+49n^2=0 | | 76-42=5b | | -x+4y=2 | | 0=9k-6+33 | | 2x+y+5=2x | | 2/3g=45/6 | | (7y+1)-(-6y-7)=-1 | | 4(w-7)-8w=4 | | ln(x)+ln(x-3)=ln(8x) | | X-(2x+1)=15 | | 3x^3y-9x^2y-30xy= | | 9+2=911 | | -7+8(5-3x)=3(7-9x) | | 3-2w=30 |

Equations solver categories