A=(4a+4)(a-4)

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Solution for A=(4a+4)(a-4) equation: 


Simplifying
A = (4a + 4)(a + -4)

Reorder the terms:
A = (4 + 4a)(a + -4)

Reorder the terms:
A = (4 + 4a)(-4 + a)

Multiply (4 + 4a) * (-4 + a)
A = (4(-4 + a) + 4a * (-4 + a))
A = ((-4 * 4 + a * 4) + 4a * (-4 + a))
A = ((-16 + 4a) + 4a * (-4 + a))
A = (-16 + 4a + (-4 * 4a + a * 4a))
A = (-16 + 4a + (-16a + 4a2))

Combine like terms: 4a + -16a = -12a
A = (-16 + -12a + 4a2)

Solving
A = -16 + -12a + 4a2

Solving for variable 'A'.

Move all terms containing A to the left, all other terms to the right.

Simplifying
A = -16 + -12a + 4a2

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