(a^2+a+3)+(15a^2+2a+9)=

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Solution for (a^2+a+3)+(15a^2+2a+9)= equation:


Simplifying
(a2 + a + 3) + (15a2 + 2a + 9) = 0

Reorder the terms:
(3 + a + a2) + (15a2 + 2a + 9) = 0

Remove parenthesis around (3 + a + a2)
3 + a + a2 + (15a2 + 2a + 9) = 0

Reorder the terms:
3 + a + a2 + (9 + 2a + 15a2) = 0

Remove parenthesis around (9 + 2a + 15a2)
3 + a + a2 + 9 + 2a + 15a2 = 0

Reorder the terms:
3 + 9 + a + 2a + a2 + 15a2 = 0

Combine like terms: 3 + 9 = 12
12 + a + 2a + a2 + 15a2 = 0

Combine like terms: a + 2a = 3a
12 + 3a + a2 + 15a2 = 0

Combine like terms: a2 + 15a2 = 16a2
12 + 3a + 16a2 = 0

Solving
12 + 3a + 16a2 = 0

Solving for variable 'a'.

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

Divide each side by '16'.
0.75 + 0.1875a + a2 = 0

Move the constant term to the right:

Add '-0.75' to each side of the equation.
0.75 + 0.1875a + -0.75 + a2 = 0 + -0.75

Reorder the terms:
0.75 + -0.75 + 0.1875a + a2 = 0 + -0.75

Combine like terms: 0.75 + -0.75 = 0.00
0.00 + 0.1875a + a2 = 0 + -0.75
0.1875a + a2 = 0 + -0.75

Combine like terms: 0 + -0.75 = -0.75
0.1875a + a2 = -0.75

The a term is 0.1875a.  Take half its coefficient (0.09375).
Square it (0.0087890625) and add it to both sides.

Add '0.0087890625' to each side of the equation.
0.1875a + 0.0087890625 + a2 = -0.75 + 0.0087890625

Reorder the terms:
0.0087890625 + 0.1875a + a2 = -0.75 + 0.0087890625

Combine like terms: -0.75 + 0.0087890625 = -0.7412109375
0.0087890625 + 0.1875a + a2 = -0.7412109375

Factor a perfect square on the left side:
(a + 0.09375)(a + 0.09375) = -0.7412109375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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