(6x^2-4)+(x^2+4x-10)=

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Solution for (6x^2-4)+(x^2+4x-10)= equation:


Simplifying
(6x2 + -4) + (x2 + 4x + -10) = 0

Reorder the terms:
(-4 + 6x2) + (x2 + 4x + -10) = 0

Remove parenthesis around (-4 + 6x2)
-4 + 6x2 + (x2 + 4x + -10) = 0

Reorder the terms:
-4 + 6x2 + (-10 + 4x + x2) = 0

Remove parenthesis around (-10 + 4x + x2)
-4 + 6x2 + -10 + 4x + x2 = 0

Reorder the terms:
-4 + -10 + 4x + 6x2 + x2 = 0

Combine like terms: -4 + -10 = -14
-14 + 4x + 6x2 + x2 = 0

Combine like terms: 6x2 + x2 = 7x2
-14 + 4x + 7x2 = 0

Solving
-14 + 4x + 7x2 = 0

Solving for variable 'x'.

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

Divide each side by '7'.
-2 + 0.5714285714x + x2 = 0

Move the constant term to the right:

Add '2' to each side of the equation.
-2 + 0.5714285714x + 2 + x2 = 0 + 2

Reorder the terms:
-2 + 2 + 0.5714285714x + x2 = 0 + 2

Combine like terms: -2 + 2 = 0
0 + 0.5714285714x + x2 = 0 + 2
0.5714285714x + x2 = 0 + 2

Combine like terms: 0 + 2 = 2
0.5714285714x + x2 = 2

The x term is 0.5714285714x.  Take half its coefficient (0.2857142857).
Square it (0.08163265305) and add it to both sides.

Add '0.08163265305' to each side of the equation.
0.5714285714x + 0.08163265305 + x2 = 2 + 0.08163265305

Reorder the terms:
0.08163265305 + 0.5714285714x + x2 = 2 + 0.08163265305

Combine like terms: 2 + 0.08163265305 = 2.08163265305
0.08163265305 + 0.5714285714x + x2 = 2.08163265305

Factor a perfect square on the left side:
(x + 0.2857142857)(x + 0.2857142857) = 2.08163265305

Calculate the square root of the right side: 1.44278642

Break this problem into two subproblems by setting 
(x + 0.2857142857) equal to 1.44278642 and -1.44278642.

Subproblem 1

x + 0.2857142857 = 1.44278642 Simplifying x + 0.2857142857 = 1.44278642 Reorder the terms: 0.2857142857 + x = 1.44278642 Solving 0.2857142857 + x = 1.44278642 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.2857142857' to each side of the equation. 0.2857142857 + -0.2857142857 + x = 1.44278642 + -0.2857142857 Combine like terms: 0.2857142857 + -0.2857142857 = 0.0000000000 0.0000000000 + x = 1.44278642 + -0.2857142857 x = 1.44278642 + -0.2857142857 Combine like terms: 1.44278642 + -0.2857142857 = 1.1570721343 x = 1.1570721343 Simplifying x = 1.1570721343

Subproblem 2

x + 0.2857142857 = -1.44278642 Simplifying x + 0.2857142857 = -1.44278642 Reorder the terms: 0.2857142857 + x = -1.44278642 Solving 0.2857142857 + x = -1.44278642 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.2857142857' to each side of the equation. 0.2857142857 + -0.2857142857 + x = -1.44278642 + -0.2857142857 Combine like terms: 0.2857142857 + -0.2857142857 = 0.0000000000 0.0000000000 + x = -1.44278642 + -0.2857142857 x = -1.44278642 + -0.2857142857 Combine like terms: -1.44278642 + -0.2857142857 = -1.7285007057 x = -1.7285007057 Simplifying x = -1.7285007057

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.1570721343, -1.7285007057}

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