9x^2+22x+10=0

Simple and best practice solution for 9x^2+22x+10=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+10=0 equation:


Simplifying
9x2 + 22x + 10 = 0

Reorder the terms:
10 + 22x + 9x2 = 0

Solving
10 + 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'.
1.111111111 + 2.444444444x + x2 = 0

Move the constant term to the right:

Add '-1.111111111' to each side of the equation.
1.111111111 + 2.444444444x + -1.111111111 + x2 = 0 + -1.111111111

Reorder the terms:
1.111111111 + -1.111111111 + 2.444444444x + x2 = 0 + -1.111111111

Combine like terms: 1.111111111 + -1.111111111 = 0.000000000
0.000000000 + 2.444444444x + x2 = 0 + -1.111111111
2.444444444x + x2 = 0 + -1.111111111

Combine like terms: 0 + -1.111111111 = -1.111111111
2.444444444x + x2 = -1.111111111

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 = -1.111111111 + 1.493827160

Reorder the terms:
1.493827160 + 2.444444444x + x2 = -1.111111111 + 1.493827160

Combine like terms: -1.111111111 + 1.493827160 = 0.382716049
1.493827160 + 2.444444444x + x2 = 0.382716049

Factor a perfect square on the left side:
(x + 1.222222222)(x + 1.222222222) = 0.382716049

Calculate the square root of the right side: 0.618640484

Break this problem into two subproblems by setting 
(x + 1.222222222) equal to 0.618640484 and -0.618640484.

Subproblem 1

x + 1.222222222 = 0.618640484 Simplifying x + 1.222222222 = 0.618640484 Reorder the terms: 1.222222222 + x = 0.618640484 Solving 1.222222222 + x = 0.618640484 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 = 0.618640484 + -1.222222222 Combine like terms: 1.222222222 + -1.222222222 = 0.000000000 0.000000000 + x = 0.618640484 + -1.222222222 x = 0.618640484 + -1.222222222 Combine like terms: 0.618640484 + -1.222222222 = -0.603581738 x = -0.603581738 Simplifying x = -0.603581738

Subproblem 2

x + 1.222222222 = -0.618640484 Simplifying x + 1.222222222 = -0.618640484 Reorder the terms: 1.222222222 + x = -0.618640484 Solving 1.222222222 + x = -0.618640484 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 = -0.618640484 + -1.222222222 Combine like terms: 1.222222222 + -1.222222222 = 0.000000000 0.000000000 + x = -0.618640484 + -1.222222222 x = -0.618640484 + -1.222222222 Combine like terms: -0.618640484 + -1.222222222 = -1.840862706 x = -1.840862706 Simplifying x = -1.840862706

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-0.603581738, -1.840862706}

See similar equations:

| ln(x^6)-ln(x^3)=3 | | 6(x+3)-8=34 | | (8.2x)-(5.2x)=4.5 | | 82x-5.2x=4.5 | | 5x-11=-28 | | ln(3-11x)-2ln(x)=ln(4) | | y=3x^2+48x-45 | | ln(x+6)+2ln(x)=ln(5)+ln(2) | | 9=m-5 | | 7y*4=32 | | 7y*7=49 | | 7y*7y=49 | | 7y*7x=49 | | (x+2)+(x+6)=9 | | 3d+7=22 | | 4(7x-6)=5(5x-6) | | 9*9x=81 | | 2*2y=8 | | P+3=-9 | | 2x^4-20x^3-28x-2=0 | | -108b=304 | | 4-3n=1 | | (5)y*(5)=25y | | 0=240x^3+900x^2-720x | | (7x^2-64)=7x-1 | | -9=y-25 | | x(4)y(4)=16 | | 3=x(x+3.75) | | (4)(4)=16 | | (x+2)(x^2-5x-36)=0 | | (x+7)+x=15 | | -7(x+4)+1=-5(x+7) |

Equations solver categories