(3x^2-5x-29)+(5x^2+8x)=

Simple and best practice solution for (3x^2-5x-29)+(5x^2+8x)= 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^2-5x-29)+(5x^2+8x)= equation:


Simplifying
(3x2 + -5x + -29) + (5x2 + 8x) = 0

Reorder the terms:
(-29 + -5x + 3x2) + (5x2 + 8x) = 0

Remove parenthesis around (-29 + -5x + 3x2)
-29 + -5x + 3x2 + (5x2 + 8x) = 0

Reorder the terms:
-29 + -5x + 3x2 + (8x + 5x2) = 0

Remove parenthesis around (8x + 5x2)
-29 + -5x + 3x2 + 8x + 5x2 = 0

Reorder the terms:
-29 + -5x + 8x + 3x2 + 5x2 = 0

Combine like terms: -5x + 8x = 3x
-29 + 3x + 3x2 + 5x2 = 0

Combine like terms: 3x2 + 5x2 = 8x2
-29 + 3x + 8x2 = 0

Solving
-29 + 3x + 8x2 = 0

Solving for variable 'x'.

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

Divide each side by '8'.
-3.625 + 0.375x + x2 = 0

Move the constant term to the right:

Add '3.625' to each side of the equation.
-3.625 + 0.375x + 3.625 + x2 = 0 + 3.625

Reorder the terms:
-3.625 + 3.625 + 0.375x + x2 = 0 + 3.625

Combine like terms: -3.625 + 3.625 = 0.000
0.000 + 0.375x + x2 = 0 + 3.625
0.375x + x2 = 0 + 3.625

Combine like terms: 0 + 3.625 = 3.625
0.375x + x2 = 3.625

The x term is 0.375x.  Take half its coefficient (0.1875).
Square it (0.03515625) and add it to both sides.

Add '0.03515625' to each side of the equation.
0.375x + 0.03515625 + x2 = 3.625 + 0.03515625

Reorder the terms:
0.03515625 + 0.375x + x2 = 3.625 + 0.03515625

Combine like terms: 3.625 + 0.03515625 = 3.66015625
0.03515625 + 0.375x + x2 = 3.66015625

Factor a perfect square on the left side:
(x + 0.1875)(x + 0.1875) = 3.66015625

Calculate the square root of the right side: 1.913153483

Break this problem into two subproblems by setting 
(x + 0.1875) equal to 1.913153483 and -1.913153483.

Subproblem 1

x + 0.1875 = 1.913153483 Simplifying x + 0.1875 = 1.913153483 Reorder the terms: 0.1875 + x = 1.913153483 Solving 0.1875 + x = 1.913153483 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.1875' to each side of the equation. 0.1875 + -0.1875 + x = 1.913153483 + -0.1875 Combine like terms: 0.1875 + -0.1875 = 0.0000 0.0000 + x = 1.913153483 + -0.1875 x = 1.913153483 + -0.1875 Combine like terms: 1.913153483 + -0.1875 = 1.725653483 x = 1.725653483 Simplifying x = 1.725653483

Subproblem 2

x + 0.1875 = -1.913153483 Simplifying x + 0.1875 = -1.913153483 Reorder the terms: 0.1875 + x = -1.913153483 Solving 0.1875 + x = -1.913153483 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.1875' to each side of the equation. 0.1875 + -0.1875 + x = -1.913153483 + -0.1875 Combine like terms: 0.1875 + -0.1875 = 0.0000 0.0000 + x = -1.913153483 + -0.1875 x = -1.913153483 + -0.1875 Combine like terms: -1.913153483 + -0.1875 = -2.100653483 x = -2.100653483 Simplifying x = -2.100653483

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.725653483, -2.100653483}

See similar equations:

| 2X^2+8X=X^2-6X+9 | | (2x+6)(x+4)=0 | | a^2-3a+7= | | (2t-3)2=2t^2+5t-26 | | 6x+9=9x-3 | | (s+4)2=-2s | | -2(3x-3xy)+xy=0 | | 3-2x(2-5)=2(4-x) | | 2/9=4h | | 2(xy+2x)-3xy=0 | | -2+4x=-8+13 | | 3x-2=9x+11 | | 3x+32=3x-78 | | 40^(1/20)= | | sqrt(y+7)-sqrt(3+13)=0 | | -13-9x=-49 | | 768-756/2-150/2 | | 6x^2+4x-320=0 | | x-(3x-2x-5/10)=2x-57/6-5/3 | | 6m+5-2m-8= | | 10x^2-20x+150= | | 10x-18=84 | | b-s=14 | | Axz+bx+a+by= | | b+s=54 | | 4(1+3m)=52 | | {1-50000/472894^1/10}*100 | | 4z-3=z+15 | | 3x-4-5x+2=-3x-7 | | 1-(50000/47500)^1/10 | | 3x-14=6x-26 | | 3(2x+5)=90 |

Equations solver categories