-x^2+9x+44=0

Simple and best practice solution for -x^2+9x+44=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 -x^2+9x+44=0 equation:


Simplifying
-1x2 + 9x + 44 = 0

Reorder the terms:
44 + 9x + -1x2 = 0

Solving
44 + 9x + -1x2 = 0

Solving for variable 'x'.

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

Divide each side by '-1'.
-44 + -9x + x2 = 0

Move the constant term to the right:

Add '44' to each side of the equation.
-44 + -9x + 44 + x2 = 0 + 44

Reorder the terms:
-44 + 44 + -9x + x2 = 0 + 44

Combine like terms: -44 + 44 = 0
0 + -9x + x2 = 0 + 44
-9x + x2 = 0 + 44

Combine like terms: 0 + 44 = 44
-9x + x2 = 44

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 = 44 + 20.25

Reorder the terms:
20.25 + -9x + x2 = 44 + 20.25

Combine like terms: 44 + 20.25 = 64.25
20.25 + -9x + x2 = 64.25

Factor a perfect square on the left side:
(x + -4.5)(x + -4.5) = 64.25

Calculate the square root of the right side: 8.015609771

Break this problem into two subproblems by setting 
(x + -4.5) equal to 8.015609771 and -8.015609771.

Subproblem 1

x + -4.5 = 8.015609771 Simplifying x + -4.5 = 8.015609771 Reorder the terms: -4.5 + x = 8.015609771 Solving -4.5 + x = 8.015609771 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 = 8.015609771 + 4.5 Combine like terms: -4.5 + 4.5 = 0.0 0.0 + x = 8.015609771 + 4.5 x = 8.015609771 + 4.5 Combine like terms: 8.015609771 + 4.5 = 12.515609771 x = 12.515609771 Simplifying x = 12.515609771

Subproblem 2

x + -4.5 = -8.015609771 Simplifying x + -4.5 = -8.015609771 Reorder the terms: -4.5 + x = -8.015609771 Solving -4.5 + x = -8.015609771 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 = -8.015609771 + 4.5 Combine like terms: -4.5 + 4.5 = 0.0 0.0 + x = -8.015609771 + 4.5 x = -8.015609771 + 4.5 Combine like terms: -8.015609771 + 4.5 = -3.515609771 x = -3.515609771 Simplifying x = -3.515609771

Solution

The solution to the problem is based on the solutions from the subproblems. x = {12.515609771, -3.515609771}

See similar equations:

| 60=-16t^2+vt+s | | (-3/5)(175/6)= | | -37-7x=7(3-6x)+6x | | 0=4x^2-6x+17 | | 2(5k+2)-13k+4+5= | | 0.6666666666666667x+6=.5x+.25x | | B-1=2B+5 | | 0.6666666666666667x+6=.5x+.25 | | (5-x)(2-3x)=o | | 100+(2x+y)=(5x-y) | | 2(4x-5)=5x+20 | | b/9-1/2=3/8 | | 13=g-2 | | (4-x)(2-3x)=o | | 7(10-3w)=5(1-15-4w) | | sqrtx+10=x-2 | | 7(10-3w)=5(1-15-4a) | | 15x-8=37 | | (x+4)(x+9)=o | | log22/log6 | | 3y*y-4y=7 | | 68=2[y-2] | | 4/5n-1/5=2/5n | | (x-4)(x+3)=o | | 5w+3w=64 | | 7/80 | | 3x(4x-1)=o | | 4(p-3)=27 | | f(-4)=x^2+4x-1 | | x-72=41 | | -22.98-(-6.6)= | | 3log[128](13+3log[2](6+5log[3](9+2log[2]x)))=2 |

Equations solver categories