7a*7a+32=7-40a

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Solution for 7a*7a+32=7-40a equation:


Simplifying
7a * 7a + 32 = 7 + -40a

Reorder the terms for easier multiplication:
7 * 7a * a + 32 = 7 + -40a

Multiply 7 * 7
49a * a + 32 = 7 + -40a

Multiply a * a
49a2 + 32 = 7 + -40a

Reorder the terms:
32 + 49a2 = 7 + -40a

Solving
32 + 49a2 = 7 + -40a

Solving for variable 'a'.

Reorder the terms:
32 + -7 + 40a + 49a2 = 7 + -40a + -7 + 40a

Combine like terms: 32 + -7 = 25
25 + 40a + 49a2 = 7 + -40a + -7 + 40a

Reorder the terms:
25 + 40a + 49a2 = 7 + -7 + -40a + 40a

Combine like terms: 7 + -7 = 0
25 + 40a + 49a2 = 0 + -40a + 40a
25 + 40a + 49a2 = -40a + 40a

Combine like terms: -40a + 40a = 0
25 + 40a + 49a2 = 0

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

Divide each side by '49'.
0.5102040816 + 0.8163265306a + a2 = 0

Move the constant term to the right:

Add '-0.5102040816' to each side of the equation.
0.5102040816 + 0.8163265306a + -0.5102040816 + a2 = 0 + -0.5102040816

Reorder the terms:
0.5102040816 + -0.5102040816 + 0.8163265306a + a2 = 0 + -0.5102040816

Combine like terms: 0.5102040816 + -0.5102040816 = 0.0000000000
0.0000000000 + 0.8163265306a + a2 = 0 + -0.5102040816
0.8163265306a + a2 = 0 + -0.5102040816

Combine like terms: 0 + -0.5102040816 = -0.5102040816
0.8163265306a + a2 = -0.5102040816

The a term is 0.8163265306a.  Take half its coefficient (0.4081632653).
Square it (0.1665972511) and add it to both sides.

Add '0.1665972511' to each side of the equation.
0.8163265306a + 0.1665972511 + a2 = -0.5102040816 + 0.1665972511

Reorder the terms:
0.1665972511 + 0.8163265306a + a2 = -0.5102040816 + 0.1665972511

Combine like terms: -0.5102040816 + 0.1665972511 = -0.3436068305
0.1665972511 + 0.8163265306a + a2 = -0.3436068305

Factor a perfect square on the left side:
(a + 0.4081632653)(a + 0.4081632653) = -0.3436068305

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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