9x^2+37x+36=0

Simple and best practice solution for 9x^2+37x+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 9x^2+37x+36=0 equation:


Simplifying
9x2 + 37x + 36 = 0

Reorder the terms:
36 + 37x + 9x2 = 0

Solving
36 + 37x + 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 + 4.111111111x + x2 = 0

Move the constant term to the right:

Add '-4' to each side of the equation.
4 + 4.111111111x + -4 + x2 = 0 + -4

Reorder the terms:
4 + -4 + 4.111111111x + x2 = 0 + -4

Combine like terms: 4 + -4 = 0
0 + 4.111111111x + x2 = 0 + -4
4.111111111x + x2 = 0 + -4

Combine like terms: 0 + -4 = -4
4.111111111x + x2 = -4

The x term is 4.111111111x.  Take half its coefficient (2.055555556).
Square it (4.225308644) and add it to both sides.

Add '4.225308644' to each side of the equation.
4.111111111x + 4.225308644 + x2 = -4 + 4.225308644

Reorder the terms:
4.225308644 + 4.111111111x + x2 = -4 + 4.225308644

Combine like terms: -4 + 4.225308644 = 0.225308644
4.225308644 + 4.111111111x + x2 = 0.225308644

Factor a perfect square on the left side:
(x + 2.055555556)(x + 2.055555556) = 0.225308644

Calculate the square root of the right side: 0.474666877

Break this problem into two subproblems by setting 
(x + 2.055555556) equal to 0.474666877 and -0.474666877.

Subproblem 1

x + 2.055555556 = 0.474666877 Simplifying x + 2.055555556 = 0.474666877 Reorder the terms: 2.055555556 + x = 0.474666877 Solving 2.055555556 + x = 0.474666877 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2.055555556' to each side of the equation. 2.055555556 + -2.055555556 + x = 0.474666877 + -2.055555556 Combine like terms: 2.055555556 + -2.055555556 = 0.000000000 0.000000000 + x = 0.474666877 + -2.055555556 x = 0.474666877 + -2.055555556 Combine like terms: 0.474666877 + -2.055555556 = -1.580888679 x = -1.580888679 Simplifying x = -1.580888679

Subproblem 2

x + 2.055555556 = -0.474666877 Simplifying x + 2.055555556 = -0.474666877 Reorder the terms: 2.055555556 + x = -0.474666877 Solving 2.055555556 + x = -0.474666877 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2.055555556' to each side of the equation. 2.055555556 + -2.055555556 + x = -0.474666877 + -2.055555556 Combine like terms: 2.055555556 + -2.055555556 = 0.000000000 0.000000000 + x = -0.474666877 + -2.055555556 x = -0.474666877 + -2.055555556 Combine like terms: -0.474666877 + -2.055555556 = -2.530222433 x = -2.530222433 Simplifying x = -2.530222433

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-1.580888679, -2.530222433}

See similar equations:

| 9x^2+43x+49=0 | | 2x^2+7x=250 | | 34-7x=2x+20 | | x(x+7)+12=0 | | 13-10x=42-17x | | -4-8y=26 | | 12-10x=42-17x | | -32-10x=8x+22 | | 4x-10=7x-5 | | 132-3x=5x+12 | | 77-2x=10x-17 | | -80+y=-80-y | | 32x^2-100x+33=0 | | 151-3x=42x+21 | | 5x+36=14x-63 | | 3a+2a-15=45 | | 2x^2-1=15 | | 5(x+7)-7x=9(x-1) | | x^2-5=17 | | -10-6x=5-9x | | 67-3x=33x+19 | | 3x+1=-35+6x | | 14-9x=64-44x | | 5x+1=x-31 | | 5x+20=2x+2 | | -1+5x=-x+29 | | 4x+5=5x+15 | | 9+5=x+25 | | -3x-7=-5x-3 | | 7x-7=6x+4 | | -24-4x=12-10x | | 2x+62=8x+14 |

Equations solver categories