(x^2-9)=44-4x

Simple and best practice solution for (x^2-9)=44-4x 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^2-9)=44-4x equation:


Simplifying
(x2 + -9) = 44 + -4x

Reorder the terms:
(-9 + x2) = 44 + -4x

Remove parenthesis around (-9 + x2)
-9 + x2 = 44 + -4x

Solving
-9 + x2 = 44 + -4x

Solving for variable 'x'.

Reorder the terms:
-9 + -44 + 4x + x2 = 44 + -4x + -44 + 4x

Combine like terms: -9 + -44 = -53
-53 + 4x + x2 = 44 + -4x + -44 + 4x

Reorder the terms:
-53 + 4x + x2 = 44 + -44 + -4x + 4x

Combine like terms: 44 + -44 = 0
-53 + 4x + x2 = 0 + -4x + 4x
-53 + 4x + x2 = -4x + 4x

Combine like terms: -4x + 4x = 0
-53 + 4x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '53' to each side of the equation.
-53 + 4x + 53 + x2 = 0 + 53

Reorder the terms:
-53 + 53 + 4x + x2 = 0 + 53

Combine like terms: -53 + 53 = 0
0 + 4x + x2 = 0 + 53
4x + x2 = 0 + 53

Combine like terms: 0 + 53 = 53
4x + x2 = 53

The x term is 4x.  Take half its coefficient (2).
Square it (4) and add it to both sides.

Add '4' to each side of the equation.
4x + 4 + x2 = 53 + 4

Reorder the terms:
4 + 4x + x2 = 53 + 4

Combine like terms: 53 + 4 = 57
4 + 4x + x2 = 57

Factor a perfect square on the left side:
(x + 2)(x + 2) = 57

Calculate the square root of the right side: 7.549834435

Break this problem into two subproblems by setting 
(x + 2) equal to 7.549834435 and -7.549834435.

Subproblem 1

x + 2 = 7.549834435 Simplifying x + 2 = 7.549834435 Reorder the terms: 2 + x = 7.549834435 Solving 2 + x = 7.549834435 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + x = 7.549834435 + -2 Combine like terms: 2 + -2 = 0 0 + x = 7.549834435 + -2 x = 7.549834435 + -2 Combine like terms: 7.549834435 + -2 = 5.549834435 x = 5.549834435 Simplifying x = 5.549834435

Subproblem 2

x + 2 = -7.549834435 Simplifying x + 2 = -7.549834435 Reorder the terms: 2 + x = -7.549834435 Solving 2 + x = -7.549834435 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + x = -7.549834435 + -2 Combine like terms: 2 + -2 = 0 0 + x = -7.549834435 + -2 x = -7.549834435 + -2 Combine like terms: -7.549834435 + -2 = -9.549834435 x = -9.549834435 Simplifying x = -9.549834435

Solution

The solution to the problem is based on the solutions from the subproblems. x = {5.549834435, -9.549834435}

See similar equations:

| -1/2x-2=5/8x-1/5 | | .6x+2.1=5.2x-7.9-1.9x | | 2/3(3x+5)=1-5/8x | | 4x+14=5x+10 | | 6x^2-41x+16=0 | | 29-4x=14-9x | | 7+5x=7+x | | 4.4x-7.16=3.4 | | -30x-10x+40-12=10-15x+5 | | -3(x-2)-5=12x-4 | | -30-10x+40-12=10-15x+5 | | (x-118.56).65=219.68 | | 8wq-5=3w+1 | | 4x^2-5x+13=13+8 | | 30-10x+40-12=10-15x+5 | | 3+5n=9+2n | | 24-4x=12+8x | | 15x-30x=-6+3 | | (3x+2y+y^2)dx+(x+4xy+5*y^2)dy=0 | | 2y+4=6x-18 | | (3x+2y+y^2)dx+(x+4xy+5*y^2)=0 | | 3x+12-8=9-8+2x | | z-(x-y).65=w | | 3x-12-8=9-8+2x | | -2+16a=20-6a | | 3(8-6x-2x)+8(2x+5)=8 | | 3x-12-8=9-8-2x | | 10-2(b+3)=8+3(2b+5) | | 3x+12-8=9-8-2x | | 37-3x=13 | | (x-y).65=135 | | n^2+n-11=0 |

Equations solver categories