(3x^2-8x+2)+(2x-2x^2-10)=

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Solution for (3x^2-8x+2)+(2x-2x^2-10)= equation:


Simplifying
(3x2 + -8x + 2) + (2x + -2x2 + -10) = 0

Reorder the terms:
(2 + -8x + 3x2) + (2x + -2x2 + -10) = 0

Remove parenthesis around (2 + -8x + 3x2)
2 + -8x + 3x2 + (2x + -2x2 + -10) = 0

Reorder the terms:
2 + -8x + 3x2 + (-10 + 2x + -2x2) = 0

Remove parenthesis around (-10 + 2x + -2x2)
2 + -8x + 3x2 + -10 + 2x + -2x2 = 0

Reorder the terms:
2 + -10 + -8x + 2x + 3x2 + -2x2 = 0

Combine like terms: 2 + -10 = -8
-8 + -8x + 2x + 3x2 + -2x2 = 0

Combine like terms: -8x + 2x = -6x
-8 + -6x + 3x2 + -2x2 = 0

Combine like terms: 3x2 + -2x2 = 1x2
-8 + -6x + 1x2 = 0

Solving
-8 + -6x + 1x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '8' to each side of the equation.
-8 + -6x + 8 + x2 = 0 + 8

Reorder the terms:
-8 + 8 + -6x + x2 = 0 + 8

Combine like terms: -8 + 8 = 0
0 + -6x + x2 = 0 + 8
-6x + x2 = 0 + 8

Combine like terms: 0 + 8 = 8
-6x + x2 = 8

The x term is -6x.  Take half its coefficient (-3).
Square it (9) and add it to both sides.

Add '9' to each side of the equation.
-6x + 9 + x2 = 8 + 9

Reorder the terms:
9 + -6x + x2 = 8 + 9

Combine like terms: 8 + 9 = 17
9 + -6x + x2 = 17

Factor a perfect square on the left side:
(x + -3)(x + -3) = 17

Calculate the square root of the right side: 4.123105626

Break this problem into two subproblems by setting 
(x + -3) equal to 4.123105626 and -4.123105626.

Subproblem 1

x + -3 = 4.123105626 Simplifying x + -3 = 4.123105626 Reorder the terms: -3 + x = 4.123105626 Solving -3 + x = 4.123105626 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + x = 4.123105626 + 3 Combine like terms: -3 + 3 = 0 0 + x = 4.123105626 + 3 x = 4.123105626 + 3 Combine like terms: 4.123105626 + 3 = 7.123105626 x = 7.123105626 Simplifying x = 7.123105626

Subproblem 2

x + -3 = -4.123105626 Simplifying x + -3 = -4.123105626 Reorder the terms: -3 + x = -4.123105626 Solving -3 + x = -4.123105626 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + x = -4.123105626 + 3 Combine like terms: -3 + 3 = 0 0 + x = -4.123105626 + 3 x = -4.123105626 + 3 Combine like terms: -4.123105626 + 3 = -1.123105626 x = -1.123105626 Simplifying x = -1.123105626

Solution

The solution to the problem is based on the solutions from the subproblems. x = {7.123105626, -1.123105626}

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