[(5x^2+2x+1)+(x^2-3x-5)]=

Simple and best practice solution for [(5x^2+2x+1)+(x^2-3x-5)]= 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 [(5x^2+2x+1)+(x^2-3x-5)]= equation:


Simplifying
[(5x2 + 2x + 1) + (x2 + -3x + -5)] = 0

Reorder the terms:
[(1 + 2x + 5x2) + (x2 + -3x + -5)] = 0

Remove parenthesis around (1 + 2x + 5x2)
[1 + 2x + 5x2 + (x2 + -3x + -5)] = 0

Reorder the terms:
[1 + 2x + 5x2 + (-5 + -3x + x2)] = 0

Remove parenthesis around (-5 + -3x + x2)
[1 + 2x + 5x2 + -5 + -3x + x2] = 0

Reorder the terms:
[1 + -5 + 2x + -3x + 5x2 + x2] = 0

Combine like terms: 1 + -5 = -4
[-4 + 2x + -3x + 5x2 + x2] = 0

Combine like terms: 2x + -3x = -1x
[-4 + -1x + 5x2 + x2] = 0

Combine like terms: 5x2 + x2 = 6x2
[-4 + -1x + 6x2] = 0

Remove brackets around [-4 + -1x + 6x2]
-4 + -1x + 6x2 = 0

Solving
-4 + -1x + 6x2 = 0

Solving for variable 'x'.

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

Divide each side by '6'.
-0.6666666667 + -0.1666666667x + x2 = 0

Move the constant term to the right:

Add '0.6666666667' to each side of the equation.
-0.6666666667 + -0.1666666667x + 0.6666666667 + x2 = 0 + 0.6666666667

Reorder the terms:
-0.6666666667 + 0.6666666667 + -0.1666666667x + x2 = 0 + 0.6666666667

Combine like terms: -0.6666666667 + 0.6666666667 = 0.0000000000
0.0000000000 + -0.1666666667x + x2 = 0 + 0.6666666667
-0.1666666667x + x2 = 0 + 0.6666666667

Combine like terms: 0 + 0.6666666667 = 0.6666666667
-0.1666666667x + x2 = 0.6666666667

The x term is -0.1666666667x.  Take half its coefficient (-0.08333333335).
Square it (0.006944444447) and add it to both sides.

Add '0.006944444447' to each side of the equation.
-0.1666666667x + 0.006944444447 + x2 = 0.6666666667 + 0.006944444447

Reorder the terms:
0.006944444447 + -0.1666666667x + x2 = 0.6666666667 + 0.006944444447

Combine like terms: 0.6666666667 + 0.006944444447 = 0.673611111147
0.006944444447 + -0.1666666667x + x2 = 0.673611111147

Factor a perfect square on the left side:
(x + -0.08333333335)(x + -0.08333333335) = 0.673611111147

Calculate the square root of the right side: 0.82073815

Break this problem into two subproblems by setting 
(x + -0.08333333335) equal to 0.82073815 and -0.82073815.

Subproblem 1

x + -0.08333333335 = 0.82073815 Simplifying x + -0.08333333335 = 0.82073815 Reorder the terms: -0.08333333335 + x = 0.82073815 Solving -0.08333333335 + x = 0.82073815 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.08333333335' to each side of the equation. -0.08333333335 + 0.08333333335 + x = 0.82073815 + 0.08333333335 Combine like terms: -0.08333333335 + 0.08333333335 = 0.00000000000 0.00000000000 + x = 0.82073815 + 0.08333333335 x = 0.82073815 + 0.08333333335 Combine like terms: 0.82073815 + 0.08333333335 = 0.90407148335 x = 0.90407148335 Simplifying x = 0.90407148335

Subproblem 2

x + -0.08333333335 = -0.82073815 Simplifying x + -0.08333333335 = -0.82073815 Reorder the terms: -0.08333333335 + x = -0.82073815 Solving -0.08333333335 + x = -0.82073815 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.08333333335' to each side of the equation. -0.08333333335 + 0.08333333335 + x = -0.82073815 + 0.08333333335 Combine like terms: -0.08333333335 + 0.08333333335 = 0.00000000000 0.00000000000 + x = -0.82073815 + 0.08333333335 x = -0.82073815 + 0.08333333335 Combine like terms: -0.82073815 + 0.08333333335 = -0.73740481665 x = -0.73740481665 Simplifying x = -0.73740481665

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.90407148335, -0.73740481665}

See similar equations:

| 4x-13=29-3x | | 4x+54=2x | | 0.2(a+12)=32 | | 0.2(x+3)=4(2x+9)+4x | | (x+4)(x+4)=x(x-14)+5 | | 2x+120=220 | | 3x+sinx=2 | | 0.2(a+12)=35 | | 0.2(a+12)=25 | | v-2+7v+2= | | 9x-14-2x=41 | | (x^3+y^3)(x+y)=0 | | 20x+2y=6 | | -3x(x-4)=18 | | 6x^3-13x^2-4x+15=0 | | 7y=200 | | Y=-2.8x-4.2 | | 9x-4=-22 | | 0.01(a-200)=4.5 | | 2(x-5.00)=10.00 | | 5y+86-y=86+4y | | 98=10+.9x | | 5+2b=2 | | 5c+1=2c(c+11) | | 74.00+x=82.40 | | 74.00+x=8240 | | 0.9x-1.3=3.1 | | x-421.62=82.01 | | (x-4)+(5x+12)=(9x-19) | | x^9+9x^8= | | 5w+12-2w+7=3(w-4)+2w-7 | | 0.2(100+a)=50 |

Equations solver categories