(3x^2-7x+4)+(4x^2+3x+3)=

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Solution for (3x^2-7x+4)+(4x^2+3x+3)= equation:


Simplifying
(3x2 + -7x + 4) + (4x2 + 3x + 3) = 0

Reorder the terms:
(4 + -7x + 3x2) + (4x2 + 3x + 3) = 0

Remove parenthesis around (4 + -7x + 3x2)
4 + -7x + 3x2 + (4x2 + 3x + 3) = 0

Reorder the terms:
4 + -7x + 3x2 + (3 + 3x + 4x2) = 0

Remove parenthesis around (3 + 3x + 4x2)
4 + -7x + 3x2 + 3 + 3x + 4x2 = 0

Reorder the terms:
4 + 3 + -7x + 3x + 3x2 + 4x2 = 0

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

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

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

Solving
7 + -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'.
1 + -0.5714285714x + x2 = 0

Move the constant term to the right:

Add '-1' to each side of the equation.
1 + -0.5714285714x + -1 + x2 = 0 + -1

Reorder the terms:
1 + -1 + -0.5714285714x + x2 = 0 + -1

Combine like terms: 1 + -1 = 0
0 + -0.5714285714x + x2 = 0 + -1
-0.5714285714x + x2 = 0 + -1

Combine like terms: 0 + -1 = -1
-0.5714285714x + x2 = -1

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 = -1 + 0.08163265305

Reorder the terms:
0.08163265305 + -0.5714285714x + x2 = -1 + 0.08163265305

Combine like terms: -1 + 0.08163265305 = -0.91836734695
0.08163265305 + -0.5714285714x + x2 = -0.91836734695

Factor a perfect square on the left side:
(x + -0.2857142857)(x + -0.2857142857) = -0.91836734695

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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