9x^2=5x+10

Simple and best practice solution for 9x^2=5x+10 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=5x+10 equation:


Simplifying
9x2 = 5x + 10

Reorder the terms:
9x2 = 10 + 5x

Solving
9x2 = 10 + 5x

Solving for variable 'x'.

Reorder the terms:
-10 + -5x + 9x2 = 10 + 5x + -10 + -5x

Reorder the terms:
-10 + -5x + 9x2 = 10 + -10 + 5x + -5x

Combine like terms: 10 + -10 = 0
-10 + -5x + 9x2 = 0 + 5x + -5x
-10 + -5x + 9x2 = 5x + -5x

Combine like terms: 5x + -5x = 0
-10 + -5x + 9x2 = 0

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

Divide each side by '9'.
-1.111111111 + -0.5555555556x + x2 = 0

Move the constant term to the right:

Add '1.111111111' to each side of the equation.
-1.111111111 + -0.5555555556x + 1.111111111 + x2 = 0 + 1.111111111

Reorder the terms:
-1.111111111 + 1.111111111 + -0.5555555556x + x2 = 0 + 1.111111111

Combine like terms: -1.111111111 + 1.111111111 = 0.000000000
0.000000000 + -0.5555555556x + x2 = 0 + 1.111111111
-0.5555555556x + x2 = 0 + 1.111111111

Combine like terms: 0 + 1.111111111 = 1.111111111
-0.5555555556x + x2 = 1.111111111

The x term is -0.5555555556x.  Take half its coefficient (-0.2777777778).
Square it (0.07716049384) and add it to both sides.

Add '0.07716049384' to each side of the equation.
-0.5555555556x + 0.07716049384 + x2 = 1.111111111 + 0.07716049384

Reorder the terms:
0.07716049384 + -0.5555555556x + x2 = 1.111111111 + 0.07716049384

Combine like terms: 1.111111111 + 0.07716049384 = 1.18827160484
0.07716049384 + -0.5555555556x + x2 = 1.18827160484

Factor a perfect square on the left side:
(x + -0.2777777778)(x + -0.2777777778) = 1.18827160484

Calculate the square root of the right side: 1.090078715

Break this problem into two subproblems by setting 
(x + -0.2777777778) equal to 1.090078715 and -1.090078715.

Subproblem 1

x + -0.2777777778 = 1.090078715 Simplifying x + -0.2777777778 = 1.090078715 Reorder the terms: -0.2777777778 + x = 1.090078715 Solving -0.2777777778 + x = 1.090078715 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.2777777778' to each side of the equation. -0.2777777778 + 0.2777777778 + x = 1.090078715 + 0.2777777778 Combine like terms: -0.2777777778 + 0.2777777778 = 0.0000000000 0.0000000000 + x = 1.090078715 + 0.2777777778 x = 1.090078715 + 0.2777777778 Combine like terms: 1.090078715 + 0.2777777778 = 1.3678564928 x = 1.3678564928 Simplifying x = 1.3678564928

Subproblem 2

x + -0.2777777778 = -1.090078715 Simplifying x + -0.2777777778 = -1.090078715 Reorder the terms: -0.2777777778 + x = -1.090078715 Solving -0.2777777778 + x = -1.090078715 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.2777777778' to each side of the equation. -0.2777777778 + 0.2777777778 + x = -1.090078715 + 0.2777777778 Combine like terms: -0.2777777778 + 0.2777777778 = 0.0000000000 0.0000000000 + x = -1.090078715 + 0.2777777778 x = -1.090078715 + 0.2777777778 Combine like terms: -1.090078715 + 0.2777777778 = -0.8123009372 x = -0.8123009372 Simplifying x = -0.8123009372

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.3678564928, -0.8123009372}

See similar equations:

| 6(2-3a)-2(8a+3)=12a-19 | | 5y^2-y=0 | | 7x-50+4x=-14+10x-26 | | .33333(3x-1)=.5(x+2) | | N-4+3n=8n+12 | | (5/6y)-(7/8)=(1/2y)+(3/4) | | 3-(2a+5)=-12 | | 10m-(-2n)= | | 7p=-6 | | 2/7(k+5/8)=22/7 | | (4/5)+3z=(1/2z)+1 | | x/3+x/5+35=x | | 24=-6(m+1)+18m | | -(6x-4y)= | | 2+3(x-1)+6(x+2)=5-2(x+3)+1 | | (-4/3)-(-3/2) | | 4x-(5-x)=5x-5 | | 5(x-6)-2=3x-5 | | 6(k+2)+2(k-5)=22 | | 3/4(-8)2-3 | | 0.6=-0.4 | | 114=2l+2(31) | | 1/x+1/4=7/12 | | 3X^2-9X+2=4X+12 | | -(-2x+-3y)= | | 9/5-5/8 | | .5u+1.2-.74u=.8-.24u+.4 | | u=-1-1/4 | | -0.1x+4.98=-0.3x+5.38 | | -11p=4 | | 12(y-4)=9(y+10) | | 4y^3-3ay^2-16y+12a= |

Equations solver categories