32x^2+9x-36=0

Simple and best practice solution for 32x^2+9x-36=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 32x^2+9x-36=0 equation:


Simplifying
32x2 + 9x + -36 = 0

Reorder the terms:
-36 + 9x + 32x2 = 0

Solving
-36 + 9x + 32x2 = 0

Solving for variable 'x'.

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

Divide each side by '32'.
-1.125 + 0.28125x + x2 = 0

Move the constant term to the right:

Add '1.125' to each side of the equation.
-1.125 + 0.28125x + 1.125 + x2 = 0 + 1.125

Reorder the terms:
-1.125 + 1.125 + 0.28125x + x2 = 0 + 1.125

Combine like terms: -1.125 + 1.125 = 0.000
0.000 + 0.28125x + x2 = 0 + 1.125
0.28125x + x2 = 0 + 1.125

Combine like terms: 0 + 1.125 = 1.125
0.28125x + x2 = 1.125

The x term is 0.28125x.  Take half its coefficient (0.140625).
Square it (0.01977539063) and add it to both sides.

Add '0.01977539063' to each side of the equation.
0.28125x + 0.01977539063 + x2 = 1.125 + 0.01977539063

Reorder the terms:
0.01977539063 + 0.28125x + x2 = 1.125 + 0.01977539063

Combine like terms: 1.125 + 0.01977539063 = 1.14477539063
0.01977539063 + 0.28125x + x2 = 1.14477539063

Factor a perfect square on the left side:
(x + 0.140625)(x + 0.140625) = 1.14477539063

Calculate the square root of the right side: 1.06994177

Break this problem into two subproblems by setting 
(x + 0.140625) equal to 1.06994177 and -1.06994177.

Subproblem 1

x + 0.140625 = 1.06994177 Simplifying x + 0.140625 = 1.06994177 Reorder the terms: 0.140625 + x = 1.06994177 Solving 0.140625 + x = 1.06994177 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.140625' to each side of the equation. 0.140625 + -0.140625 + x = 1.06994177 + -0.140625 Combine like terms: 0.140625 + -0.140625 = 0.000000 0.000000 + x = 1.06994177 + -0.140625 x = 1.06994177 + -0.140625 Combine like terms: 1.06994177 + -0.140625 = 0.92931677 x = 0.92931677 Simplifying x = 0.92931677

Subproblem 2

x + 0.140625 = -1.06994177 Simplifying x + 0.140625 = -1.06994177 Reorder the terms: 0.140625 + x = -1.06994177 Solving 0.140625 + x = -1.06994177 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.140625' to each side of the equation. 0.140625 + -0.140625 + x = -1.06994177 + -0.140625 Combine like terms: 0.140625 + -0.140625 = 0.000000 0.000000 + x = -1.06994177 + -0.140625 x = -1.06994177 + -0.140625 Combine like terms: -1.06994177 + -0.140625 = -1.21056677 x = -1.21056677 Simplifying x = -1.21056677

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.92931677, -1.21056677}

See similar equations:

| D=3.40+0.11n | | 5(a-3)+3(2+3a)=19 | | [2(h*h)]-9h-18=0 | | (3x+20)(7x+40)=180 | | 4.2=3-0.002m | | -6z=3 | | 2s+3t=9 | | -4.4=-2+0.6x | | x+y=89+13 | | 10+2(z-5)=-5z+3 | | -8(n+2)+20=-4n-20 | | 4(4x-3)+7=-3 | | 42-18=4(x-9) | | 31-13=3(x-8) | | p=15v+5d/11 | | 40x+60(x+1)=240 | | 4+x=2x-8 | | 38+5y-8=16y-10-3y | | 0.04x-1.9=0.1 | | x+20+3x=-8-3x-14 | | 1/9x+29=5/9x-11 | | -4.1x-1=-3.9x+6 | | y=20+4x | | 31+35/7*9 | | -8z(5x+5y+5z)= | | 2n-3/4n=1/2n+13/3 | | -5(6p+4)-2=-32p+14 | | 5x-2+4-3x= | | -3000+65x+(10/3)x^2=0 | | y=x^2-11x+8 | | 9k-12k-4=k+3 | | 1.8=4y+14.2 |

Equations solver categories