1a(a+4)+7=

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Solution for 1a(a+4)+7= equation:


Simplifying
1a(a + 4) + 7 = 0

Reorder the terms:
1a(4 + a) + 7 = 0
(4 * 1a + a * 1a) + 7 = 0
(4a + 1a2) + 7 = 0

Reorder the terms:
7 + 4a + 1a2 = 0

Solving
7 + 4a + 1a2 = 0

Solving for variable 'a'.

Begin completing the square.

Move the constant term to the right:

Add '-7' to each side of the equation.
7 + 4a + -7 + a2 = 0 + -7

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

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

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

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 = -7 + 4

Reorder the terms:
4 + 4a + a2 = -7 + 4

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

Factor a perfect square on the left side:
(a + 2)(a + 2) = -3

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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