A=(3x-1)(5x+4)

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Solution for A=(3x-1)(5x+4) equation: 


Simplifying
A = (3x + -1)(5x + 4)

Reorder the terms:
A = (-1 + 3x)(5x + 4)

Reorder the terms:
A = (-1 + 3x)(4 + 5x)

Multiply (-1 + 3x) * (4 + 5x)
A = (-1(4 + 5x) + 3x * (4 + 5x))
A = ((4 * -1 + 5x * -1) + 3x * (4 + 5x))
A = ((-4 + -5x) + 3x * (4 + 5x))
A = (-4 + -5x + (4 * 3x + 5x * 3x))
A = (-4 + -5x + (12x + 15x2))

Combine like terms: -5x + 12x = 7x
A = (-4 + 7x + 15x2)

Solving
A = -4 + 7x + 15x2

Solving for variable 'A'.

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

Simplifying
A = -4 + 7x + 15x2

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