9x+37=x^2+9

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


Simplifying
9x + 37 = x2 + 9

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

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

Solving
37 + 9x = 9 + x2

Solving for variable 'x'.

Reorder the terms:
37 + -9 + 9x + -1x2 = 9 + x2 + -9 + -1x2

Combine like terms: 37 + -9 = 28
28 + 9x + -1x2 = 9 + x2 + -9 + -1x2

Reorder the terms:
28 + 9x + -1x2 = 9 + -9 + x2 + -1x2

Combine like terms: 9 + -9 = 0
28 + 9x + -1x2 = 0 + x2 + -1x2
28 + 9x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
28 + 9x + -1x2 = 0

Begin completing the square.  Divide all terms by
-1 the coefficient of the squared term: 

Divide each side by '-1'.
-28 + -9x + x2 = 0

Move the constant term to the right:

Add '28' to each side of the equation.
-28 + -9x + 28 + x2 = 0 + 28

Reorder the terms:
-28 + 28 + -9x + x2 = 0 + 28

Combine like terms: -28 + 28 = 0
0 + -9x + x2 = 0 + 28
-9x + x2 = 0 + 28

Combine like terms: 0 + 28 = 28
-9x + x2 = 28

The x term is -9x.  Take half its coefficient (-4.5).
Square it (20.25) and add it to both sides.

Add '20.25' to each side of the equation.
-9x + 20.25 + x2 = 28 + 20.25

Reorder the terms:
20.25 + -9x + x2 = 28 + 20.25

Combine like terms: 28 + 20.25 = 48.25
20.25 + -9x + x2 = 48.25

Factor a perfect square on the left side:
(x + -4.5)(x + -4.5) = 48.25

Calculate the square root of the right side: 6.946221995

Break this problem into two subproblems by setting 
(x + -4.5) equal to 6.946221995 and -6.946221995.

Subproblem 1

x + -4.5 = 6.946221995 Simplifying x + -4.5 = 6.946221995 Reorder the terms: -4.5 + x = 6.946221995 Solving -4.5 + x = 6.946221995 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4.5' to each side of the equation. -4.5 + 4.5 + x = 6.946221995 + 4.5 Combine like terms: -4.5 + 4.5 = 0.0 0.0 + x = 6.946221995 + 4.5 x = 6.946221995 + 4.5 Combine like terms: 6.946221995 + 4.5 = 11.446221995 x = 11.446221995 Simplifying x = 11.446221995

Subproblem 2

x + -4.5 = -6.946221995 Simplifying x + -4.5 = -6.946221995 Reorder the terms: -4.5 + x = -6.946221995 Solving -4.5 + x = -6.946221995 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4.5' to each side of the equation. -4.5 + 4.5 + x = -6.946221995 + 4.5 Combine like terms: -4.5 + 4.5 = 0.0 0.0 + x = -6.946221995 + 4.5 x = -6.946221995 + 4.5 Combine like terms: -6.946221995 + 4.5 = -2.446221995 x = -2.446221995 Simplifying x = -2.446221995

Solution

The solution to the problem is based on the solutions from the subproblems. x = {11.446221995, -2.446221995}

See similar equations:

| x^2+14x-16=0 | | 9x+37=x^2+3 | | 8x-9=-8x | | .1b=14 | | 9+w=2 | | 4a+3b=8.90 | | (16x-11)(19+9x)= | | (16x-11)(19+9)= | | 8(m+1)=32 | | (-9x+8)(9-11x)= | | 6x+5=2-x | | 3-(8x-5)+(6-7x)-1=7-(x-1)+(4x+4) | | 18=-7-x | | 5n-50=100 | | (15x+5)(-19+21x)= | | -7x-10=-3x | | (19x+16)(14+x)= | | (-19x+13)(21+15x)= | | (9x+6)(-14-7x)= | | (13x+12)(-14-13x)= | | (x-16)(-15+14x)= | | (-12x+8)(-15-11x)= | | (-17x+6)(12+4x)= | | (15x+15)(-1+16x)= | | (2x+12)(-4+9x)= | | (-15x-8)(13+12x)= | | (6x-3)(-13-14x)= | | (-x+12)(3+7x)= | | v(x)=(11-2x)(8.5-2x)(2x) | | (x-7)(-4-12x)= | | x+9+18=0 | | (3x-7)(-10-11x)= |

Equations solver categories