10x^2+9x=50

Simple and best practice solution for 10x^2+9x=50 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 10x^2+9x=50 equation:


Simplifying
10x2 + 9x = 50

Reorder the terms:
9x + 10x2 = 50

Solving
9x + 10x2 = 50

Solving for variable 'x'.

Reorder the terms:
-50 + 9x + 10x2 = 50 + -50

Combine like terms: 50 + -50 = 0
-50 + 9x + 10x2 = 0

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

Divide each side by '10'.
-5 + 0.9x + x2 = 0

Move the constant term to the right:

Add '5' to each side of the equation.
-5 + 0.9x + 5 + x2 = 0 + 5

Reorder the terms:
-5 + 5 + 0.9x + x2 = 0 + 5

Combine like terms: -5 + 5 = 0
0 + 0.9x + x2 = 0 + 5
0.9x + x2 = 0 + 5

Combine like terms: 0 + 5 = 5
0.9x + x2 = 5

The x term is 0.9x.  Take half its coefficient (0.45).
Square it (0.2025) and add it to both sides.

Add '0.2025' to each side of the equation.
0.9x + 0.2025 + x2 = 5 + 0.2025

Reorder the terms:
0.2025 + 0.9x + x2 = 5 + 0.2025

Combine like terms: 5 + 0.2025 = 5.2025
0.2025 + 0.9x + x2 = 5.2025

Factor a perfect square on the left side:
(x + 0.45)(x + 0.45) = 5.2025

Calculate the square root of the right side: 2.280898946

Break this problem into two subproblems by setting 
(x + 0.45) equal to 2.280898946 and -2.280898946.

Subproblem 1

x + 0.45 = 2.280898946 Simplifying x + 0.45 = 2.280898946 Reorder the terms: 0.45 + x = 2.280898946 Solving 0.45 + x = 2.280898946 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.45' to each side of the equation. 0.45 + -0.45 + x = 2.280898946 + -0.45 Combine like terms: 0.45 + -0.45 = 0.00 0.00 + x = 2.280898946 + -0.45 x = 2.280898946 + -0.45 Combine like terms: 2.280898946 + -0.45 = 1.830898946 x = 1.830898946 Simplifying x = 1.830898946

Subproblem 2

x + 0.45 = -2.280898946 Simplifying x + 0.45 = -2.280898946 Reorder the terms: 0.45 + x = -2.280898946 Solving 0.45 + x = -2.280898946 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.45' to each side of the equation. 0.45 + -0.45 + x = -2.280898946 + -0.45 Combine like terms: 0.45 + -0.45 = 0.00 0.00 + x = -2.280898946 + -0.45 x = -2.280898946 + -0.45 Combine like terms: -2.280898946 + -0.45 = -2.730898946 x = -2.730898946 Simplifying x = -2.730898946

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.830898946, -2.730898946}

See similar equations:

| 2x-3x+4=6 | | 7+2d=d | | x/7-3=-8 | | 4/5c-3=1 | | 5n-7=7n-3 | | 7u=6u-8 | | -2-4(3a-3)=-8a+20 | | 1/3r-5=-6 | | z/10-9=6 | | 114/x=.05 | | .05=114/X | | (81)1/2 | | 3(x+10)=2(4x+25) | | 6y-2+y=12+2y-5y | | X+.25X=.4 | | 16x+9y=100 | | 1/6X-1/2=2/3 | | -16p+8-7p=4p+33 | | -5(2x-2)=2(x-37)-37 | | 4(y-8)-3(y+5)=3(y+1) | | Bover-6=-15 | | 6(6n+4)+8n= | | 0.72+3.24+32.58=0.89x-0.55x | | x=2-16-2/3= | | (x+15)4=-5 | | 2(3x+5)-4(2x-1)=-6 | | 2(5y-2)=12+6 | | (x+15).4=-5 | | 2+2x=(-x+3)-28 | | 2X+1-3X+5=3X(X-1)+1 | | 2x+14+18y= | | 17=-3-5x |

Equations solver categories