(3x^2+5x+2)+(4x^2+3x+2)=

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Solution for (3x^2+5x+2)+(4x^2+3x+2)= equation:


Simplifying
(3x2 + 5x + 2) + (4x2 + 3x + 2) = 0

Reorder the terms:
(2 + 5x + 3x2) + (4x2 + 3x + 2) = 0

Remove parenthesis around (2 + 5x + 3x2)
2 + 5x + 3x2 + (4x2 + 3x + 2) = 0

Reorder the terms:
2 + 5x + 3x2 + (2 + 3x + 4x2) = 0

Remove parenthesis around (2 + 3x + 4x2)
2 + 5x + 3x2 + 2 + 3x + 4x2 = 0

Reorder the terms:
2 + 2 + 5x + 3x + 3x2 + 4x2 = 0

Combine like terms: 2 + 2 = 4
4 + 5x + 3x + 3x2 + 4x2 = 0

Combine like terms: 5x + 3x = 8x
4 + 8x + 3x2 + 4x2 = 0

Combine like terms: 3x2 + 4x2 = 7x2
4 + 8x + 7x2 = 0

Solving
4 + 8x + 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'.
0.5714285714 + 1.142857143x + x2 = 0

Move the constant term to the right:

Add '-0.5714285714' to each side of the equation.
0.5714285714 + 1.142857143x + -0.5714285714 + x2 = 0 + -0.5714285714

Reorder the terms:
0.5714285714 + -0.5714285714 + 1.142857143x + x2 = 0 + -0.5714285714

Combine like terms: 0.5714285714 + -0.5714285714 = 0.0000000000
0.0000000000 + 1.142857143x + x2 = 0 + -0.5714285714
1.142857143x + x2 = 0 + -0.5714285714

Combine like terms: 0 + -0.5714285714 = -0.5714285714
1.142857143x + x2 = -0.5714285714

The x term is 1.142857143x.  Take half its coefficient (0.5714285715).
Square it (0.3265306123) and add it to both sides.

Add '0.3265306123' to each side of the equation.
1.142857143x + 0.3265306123 + x2 = -0.5714285714 + 0.3265306123

Reorder the terms:
0.3265306123 + 1.142857143x + x2 = -0.5714285714 + 0.3265306123

Combine like terms: -0.5714285714 + 0.3265306123 = -0.2448979591
0.3265306123 + 1.142857143x + x2 = -0.2448979591

Factor a perfect square on the left side:
(x + 0.5714285715)(x + 0.5714285715) = -0.2448979591

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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