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

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


Simplifying
(3a2 + -2a + 4) + (a2 + -3a + 7) = 0

Reorder the terms:
(4 + -2a + 3a2) + (a2 + -3a + 7) = 0

Remove parenthesis around (4 + -2a + 3a2)
4 + -2a + 3a2 + (a2 + -3a + 7) = 0

Reorder the terms:
4 + -2a + 3a2 + (7 + -3a + a2) = 0

Remove parenthesis around (7 + -3a + a2)
4 + -2a + 3a2 + 7 + -3a + a2 = 0

Reorder the terms:
4 + 7 + -2a + -3a + 3a2 + a2 = 0

Combine like terms: 4 + 7 = 11
11 + -2a + -3a + 3a2 + a2 = 0

Combine like terms: -2a + -3a = -5a
11 + -5a + 3a2 + a2 = 0

Combine like terms: 3a2 + a2 = 4a2
11 + -5a + 4a2 = 0

Solving
11 + -5a + 4a2 = 0

Solving for variable 'a'.

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

Divide each side by '4'.
2.75 + -1.25a + a2 = 0

Move the constant term to the right:

Add '-2.75' to each side of the equation.
2.75 + -1.25a + -2.75 + a2 = 0 + -2.75

Reorder the terms:
2.75 + -2.75 + -1.25a + a2 = 0 + -2.75

Combine like terms: 2.75 + -2.75 = 0.00
0.00 + -1.25a + a2 = 0 + -2.75
-1.25a + a2 = 0 + -2.75

Combine like terms: 0 + -2.75 = -2.75
-1.25a + a2 = -2.75

The a term is -1.25a.  Take half its coefficient (-0.625).
Square it (0.390625) and add it to both sides.

Add '0.390625' to each side of the equation.
-1.25a + 0.390625 + a2 = -2.75 + 0.390625

Reorder the terms:
0.390625 + -1.25a + a2 = -2.75 + 0.390625

Combine like terms: -2.75 + 0.390625 = -2.359375
0.390625 + -1.25a + a2 = -2.359375

Factor a perfect square on the left side:
(a + -0.625)(a + -0.625) = -2.359375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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