9x^2+22x-3=0

Simple and best practice solution for 9x^2+22x-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 9x^2+22x-3=0 equation:


Simplifying
9x2 + 22x + -3 = 0

Reorder the terms:
-3 + 22x + 9x2 = 0

Solving
-3 + 22x + 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'.
-0.3333333333 + 2.444444444x + x2 = 0

Move the constant term to the right:

Add '0.3333333333' to each side of the equation.
-0.3333333333 + 2.444444444x + 0.3333333333 + x2 = 0 + 0.3333333333

Reorder the terms:
-0.3333333333 + 0.3333333333 + 2.444444444x + x2 = 0 + 0.3333333333

Combine like terms: -0.3333333333 + 0.3333333333 = 0.0000000000
0.0000000000 + 2.444444444x + x2 = 0 + 0.3333333333
2.444444444x + x2 = 0 + 0.3333333333

Combine like terms: 0 + 0.3333333333 = 0.3333333333
2.444444444x + x2 = 0.3333333333

The x term is 2.444444444x.  Take half its coefficient (1.222222222).
Square it (1.493827160) and add it to both sides.

Add '1.493827160' to each side of the equation.
2.444444444x + 1.493827160 + x2 = 0.3333333333 + 1.493827160

Reorder the terms:
1.493827160 + 2.444444444x + x2 = 0.3333333333 + 1.493827160

Combine like terms: 0.3333333333 + 1.493827160 = 1.8271604933
1.493827160 + 2.444444444x + x2 = 1.8271604933

Factor a perfect square on the left side:
(x + 1.222222222)(x + 1.222222222) = 1.8271604933

Calculate the square root of the right side: 1.351725007

Break this problem into two subproblems by setting 
(x + 1.222222222) equal to 1.351725007 and -1.351725007.

Subproblem 1

x + 1.222222222 = 1.351725007 Simplifying x + 1.222222222 = 1.351725007 Reorder the terms: 1.222222222 + x = 1.351725007 Solving 1.222222222 + x = 1.351725007 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.222222222' to each side of the equation. 1.222222222 + -1.222222222 + x = 1.351725007 + -1.222222222 Combine like terms: 1.222222222 + -1.222222222 = 0.000000000 0.000000000 + x = 1.351725007 + -1.222222222 x = 1.351725007 + -1.222222222 Combine like terms: 1.351725007 + -1.222222222 = 0.129502785 x = 0.129502785 Simplifying x = 0.129502785

Subproblem 2

x + 1.222222222 = -1.351725007 Simplifying x + 1.222222222 = -1.351725007 Reorder the terms: 1.222222222 + x = -1.351725007 Solving 1.222222222 + x = -1.351725007 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.222222222' to each side of the equation. 1.222222222 + -1.222222222 + x = -1.351725007 + -1.222222222 Combine like terms: 1.222222222 + -1.222222222 = 0.000000000 0.000000000 + x = -1.351725007 + -1.222222222 x = -1.351725007 + -1.222222222 Combine like terms: -1.351725007 + -1.222222222 = -2.573947229 x = -2.573947229 Simplifying x = -2.573947229

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.129502785, -2.573947229}

See similar equations:

| 7(u-33)=6(-3u+7) | | 9-3-3= | | .8m=-.54 | | x=155-4y | | 20=-2+5b-3 | | 5*t+8(1.2-t)=9 | | 6=(-10)-p/5 | | 9x^2+22x+3=0 | | 5-m=m+3 | | 37+2c=100-5c | | 2x^2-yx-8=-2 | | -2(4t-4)+4t=6t-5 | | 308e^2+616e+308=1090 | | 7x/5-4=10 | | -26y=910 | | 2x=4+10 | | 4x+-15=43 | | 36=-8x+4(x+4) | | -7k=42 | | -930=15x | | 2(1+x)=12 | | 84=-5a-4(2a+5) | | 18-48=3(x-2)-6 | | 31z-8-3-25z=-3z+9z-11 | | 0=30x^3-478x^2+1758x+10092-9 | | 12y=252 | | 7x-(2x+3)=3x-35 | | 3x/34 | | -2(9y-9)+7y=5(y+4) | | -7*2x-1=35 | | -x+4=-9x+6 | | -7-2x=13 |

Equations solver categories