a^2+4a+45=17

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Solution for a^2+4a+45=17 equation:


Simplifying
a2 + 4a + 45 = 17

Reorder the terms:
45 + 4a + a2 = 17

Solving
45 + 4a + a2 = 17

Solving for variable 'a'.

Reorder the terms:
45 + -17 + 4a + a2 = 17 + -17

Combine like terms: 45 + -17 = 28
28 + 4a + a2 = 17 + -17

Combine like terms: 17 + -17 = 0
28 + 4a + a2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-28' to each side of the equation.
28 + 4a + -28 + a2 = 0 + -28

Reorder the terms:
28 + -28 + 4a + a2 = 0 + -28

Combine like terms: 28 + -28 = 0
0 + 4a + a2 = 0 + -28
4a + a2 = 0 + -28

Combine like terms: 0 + -28 = -28
4a + a2 = -28

The a term is 4a.  Take half its coefficient (2).
Square it (4) and add it to both sides.

Add '4' to each side of the equation.
4a + 4 + a2 = -28 + 4

Reorder the terms:
4 + 4a + a2 = -28 + 4

Combine like terms: -28 + 4 = -24
4 + 4a + a2 = -24

Factor a perfect square on the left side:
(a + 2)(a + 2) = -24

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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