V=(a+4)(a-5)(2a)

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Solution for V=(a+4)(a-5)(2a) equation:


Simplifying
V = (a + 4)(a + -5)(2a)

Reorder the terms:
V = (4 + a)(a + -5)(2a)

Reorder the terms:
V = (4 + a)(-5 + a)(2a)

Remove parenthesis around (2a)
V = (4 + a)(-5 + a) * 2a

Reorder the terms for easier multiplication:
V = 2a(4 + a)(-5 + a)

Multiply (4 + a) * (-5 + a)
V = 2a(4(-5 + a) + a(-5 + a))
V = 2a((-5 * 4 + a * 4) + a(-5 + a))
V = 2a((-20 + 4a) + a(-5 + a))
V = 2a(-20 + 4a + (-5 * a + a * a))
V = 2a(-20 + 4a + (-5a + a2))

Combine like terms: 4a + -5a = -1a
V = 2a(-20 + -1a + a2)
V = (-20 * 2a + -1a * 2a + a2 * 2a)
V = (-40a + -2a2 + 2a3)

Solving
V = -40a + -2a2 + 2a3

Solving for variable 'V'.

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

Simplifying
V = -40a + -2a2 + 2a3

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