6x^2+5x^2-3x-2=0

Simple and best practice solution for 6x^2+5x^2-3x-2=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 6x^2+5x^2-3x-2=0 equation:


Simplifying
6x2 + 5x2 + -3x + -2 = 0

Reorder the terms:
-2 + -3x + 6x2 + 5x2 = 0

Combine like terms: 6x2 + 5x2 = 11x2
-2 + -3x + 11x2 = 0

Solving
-2 + -3x + 11x2 = 0

Solving for variable 'x'.

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

Divide each side by '11'.
-0.1818181818 + -0.2727272727x + x2 = 0

Move the constant term to the right:

Add '0.1818181818' to each side of the equation.
-0.1818181818 + -0.2727272727x + 0.1818181818 + x2 = 0 + 0.1818181818

Reorder the terms:
-0.1818181818 + 0.1818181818 + -0.2727272727x + x2 = 0 + 0.1818181818

Combine like terms: -0.1818181818 + 0.1818181818 = 0.0000000000
0.0000000000 + -0.2727272727x + x2 = 0 + 0.1818181818
-0.2727272727x + x2 = 0 + 0.1818181818

Combine like terms: 0 + 0.1818181818 = 0.1818181818
-0.2727272727x + x2 = 0.1818181818

The x term is -0.2727272727x.  Take half its coefficient (-0.1363636364).
Square it (0.01859504133) and add it to both sides.

Add '0.01859504133' to each side of the equation.
-0.2727272727x + 0.01859504133 + x2 = 0.1818181818 + 0.01859504133

Reorder the terms:
0.01859504133 + -0.2727272727x + x2 = 0.1818181818 + 0.01859504133

Combine like terms: 0.1818181818 + 0.01859504133 = 0.20041322313
0.01859504133 + -0.2727272727x + x2 = 0.20041322313

Factor a perfect square on the left side:
(x + -0.1363636364)(x + -0.1363636364) = 0.20041322313

Calculate the square root of the right side: 0.447675355

Break this problem into two subproblems by setting 
(x + -0.1363636364) equal to 0.447675355 and -0.447675355.

Subproblem 1

x + -0.1363636364 = 0.447675355 Simplifying x + -0.1363636364 = 0.447675355 Reorder the terms: -0.1363636364 + x = 0.447675355 Solving -0.1363636364 + x = 0.447675355 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.1363636364' to each side of the equation. -0.1363636364 + 0.1363636364 + x = 0.447675355 + 0.1363636364 Combine like terms: -0.1363636364 + 0.1363636364 = 0.0000000000 0.0000000000 + x = 0.447675355 + 0.1363636364 x = 0.447675355 + 0.1363636364 Combine like terms: 0.447675355 + 0.1363636364 = 0.5840389914 x = 0.5840389914 Simplifying x = 0.5840389914

Subproblem 2

x + -0.1363636364 = -0.447675355 Simplifying x + -0.1363636364 = -0.447675355 Reorder the terms: -0.1363636364 + x = -0.447675355 Solving -0.1363636364 + x = -0.447675355 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.1363636364' to each side of the equation. -0.1363636364 + 0.1363636364 + x = -0.447675355 + 0.1363636364 Combine like terms: -0.1363636364 + 0.1363636364 = 0.0000000000 0.0000000000 + x = -0.447675355 + 0.1363636364 x = -0.447675355 + 0.1363636364 Combine like terms: -0.447675355 + 0.1363636364 = -0.3113117186 x = -0.3113117186 Simplifying x = -0.3113117186

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.5840389914, -0.3113117186}

See similar equations:

| (10x)(4x^7)=40x^8 | | 2x+9=5+-3 | | 4(2+3n)=-(n-8) | | 6x+30-5x=28 | | (-8x^3)2/3 | | 5(2-9z)=4(17-4z) | | (65y)(-41)x= | | 3(2x+5)=5(2x+8) | | =15-4*15 | | 2n-7=-31 | | P+8=10-2 | | P+8=10 | | 9x+2=10-3x | | =15.9+-4*15 | | =15-4*2 | | X/10=12/45 | | Log(100)=2 | | 5(x+2)=-7x+2(-2-x) | | 4(2m+5)-7=5(m+5) | | x^2+y+3x-6=0 | | x^12+2x-5=0 | | 18x-21=22 | | 18x+21=22 | | 18x*21=22 | | 12/2=? | | 3/7x42 | | 6/1= | | 9/12x48 | | 20x+2a=0 | | 9/12x36 | | 1/8*1=x*1/6 | | 78/16 |

Equations solver categories