3X+9=-2X(2X)+44

Simple and best practice solution for 3X+9=-2X(2X)+44 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 3X+9=-2X(2X)+44 equation:


Simplifying
3X + 9 = -2X(2X) + 44

Reorder the terms:
9 + 3X = -2X(2X) + 44

Remove parenthesis around (2X)
9 + 3X = -2X * 2X + 44

Reorder the terms for easier multiplication:
9 + 3X = -2 * 2X * X + 44

Multiply -2 * 2
9 + 3X = -4X * X + 44

Multiply X * X
9 + 3X = -4X2 + 44

Reorder the terms:
9 + 3X = 44 + -4X2

Solving
9 + 3X = 44 + -4X2

Solving for variable 'X'.

Reorder the terms:
9 + -44 + 3X + 4X2 = 44 + -4X2 + -44 + 4X2

Combine like terms: 9 + -44 = -35
-35 + 3X + 4X2 = 44 + -4X2 + -44 + 4X2

Reorder the terms:
-35 + 3X + 4X2 = 44 + -44 + -4X2 + 4X2

Combine like terms: 44 + -44 = 0
-35 + 3X + 4X2 = 0 + -4X2 + 4X2
-35 + 3X + 4X2 = -4X2 + 4X2

Combine like terms: -4X2 + 4X2 = 0
-35 + 3X + 4X2 = 0

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

Divide each side by '4'.
-8.75 + 0.75X + X2 = 0

Move the constant term to the right:

Add '8.75' to each side of the equation.
-8.75 + 0.75X + 8.75 + X2 = 0 + 8.75

Reorder the terms:
-8.75 + 8.75 + 0.75X + X2 = 0 + 8.75

Combine like terms: -8.75 + 8.75 = 0.00
0.00 + 0.75X + X2 = 0 + 8.75
0.75X + X2 = 0 + 8.75

Combine like terms: 0 + 8.75 = 8.75
0.75X + X2 = 8.75

The X term is 0.75X.  Take half its coefficient (0.375).
Square it (0.140625) and add it to both sides.

Add '0.140625' to each side of the equation.
0.75X + 0.140625 + X2 = 8.75 + 0.140625

Reorder the terms:
0.140625 + 0.75X + X2 = 8.75 + 0.140625

Combine like terms: 8.75 + 0.140625 = 8.890625
0.140625 + 0.75X + X2 = 8.890625

Factor a perfect square on the left side:
(X + 0.375)(X + 0.375) = 8.890625

Calculate the square root of the right side: 2.98171511

Break this problem into two subproblems by setting 
(X + 0.375) equal to 2.98171511 and -2.98171511.

Subproblem 1

X + 0.375 = 2.98171511 Simplifying X + 0.375 = 2.98171511 Reorder the terms: 0.375 + X = 2.98171511 Solving 0.375 + X = 2.98171511 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '-0.375' to each side of the equation. 0.375 + -0.375 + X = 2.98171511 + -0.375 Combine like terms: 0.375 + -0.375 = 0.000 0.000 + X = 2.98171511 + -0.375 X = 2.98171511 + -0.375 Combine like terms: 2.98171511 + -0.375 = 2.60671511 X = 2.60671511 Simplifying X = 2.60671511

Subproblem 2

X + 0.375 = -2.98171511 Simplifying X + 0.375 = -2.98171511 Reorder the terms: 0.375 + X = -2.98171511 Solving 0.375 + X = -2.98171511 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '-0.375' to each side of the equation. 0.375 + -0.375 + X = -2.98171511 + -0.375 Combine like terms: 0.375 + -0.375 = 0.000 0.000 + X = -2.98171511 + -0.375 X = -2.98171511 + -0.375 Combine like terms: -2.98171511 + -0.375 = -3.35671511 X = -3.35671511 Simplifying X = -3.35671511

Solution

The solution to the problem is based on the solutions from the subproblems. X = {2.60671511, -3.35671511}

See similar equations:

| N/11=6/66 | | 4b+24= | | 4(w-7)=6w-12 | | 13=blog(.5) | | 5(9+2x)=105 | | 7x-11x-13=43 | | x-y=Ft/m | | 7x-41=5(x-7) | | 12/n=3/10 | | x=tan^-1(11/500) | | X(6)+10=58 | | 10/11=n/33 | | -4(x-8)=-7x+2 | | 2/5=n/25 | | 6/n=2/7 | | -4(x-8)=-7+2 | | N/4=3/6 | | F(4)=3x-1 | | k^2-k-72= | | 2y-1z=0 | | 1/2=7/n | | 6x+4-3x=2+8-2x | | a+6=-4 | | 4+[9-(3+4)]= | | 3/6=8/n | | 1+80t^3+5t^4-2t^5=0 | | 4n=320 | | 2x+x-99= | | -2d*1/d^9 | | 6c+36= | | p+356=746 | | N/9=4/6 |

Equations solver categories