a^2-3a+5(2+a)=

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Solution for a^2-3a+5(2+a)= equation:


Simplifying
a2 + -3a + 5(2 + a) = 0
a2 + -3a + (2 * 5 + a * 5) = 0
a2 + -3a + (10 + 5a) = 0

Reorder the terms:
10 + -3a + 5a + a2 = 0

Combine like terms: -3a + 5a = 2a
10 + 2a + a2 = 0

Solving
10 + 2a + a2 = 0

Solving for variable 'a'.

Begin completing the square.

Move the constant term to the right:

Add '-10' to each side of the equation.
10 + 2a + -10 + a2 = 0 + -10

Reorder the terms:
10 + -10 + 2a + a2 = 0 + -10

Combine like terms: 10 + -10 = 0
0 + 2a + a2 = 0 + -10
2a + a2 = 0 + -10

Combine like terms: 0 + -10 = -10
2a + a2 = -10

The a term is 2a.  Take half its coefficient (1).
Square it (1) and add it to both sides.

Add '1' to each side of the equation.
2a + 1 + a2 = -10 + 1

Reorder the terms:
1 + 2a + a2 = -10 + 1

Combine like terms: -10 + 1 = -9
1 + 2a + a2 = -9

Factor a perfect square on the left side:
(a + 1)(a + 1) = -9

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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