A=(2x+3)(4x-5)

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Solution for A=(2x+3)(4x-5) equation: 


Simplifying
A = (2x + 3)(4x + -5)

Reorder the terms:
A = (3 + 2x)(4x + -5)

Reorder the terms:
A = (3 + 2x)(-5 + 4x)

Multiply (3 + 2x) * (-5 + 4x)
A = (3(-5 + 4x) + 2x * (-5 + 4x))
A = ((-5 * 3 + 4x * 3) + 2x * (-5 + 4x))
A = ((-15 + 12x) + 2x * (-5 + 4x))
A = (-15 + 12x + (-5 * 2x + 4x * 2x))
A = (-15 + 12x + (-10x + 8x2))

Combine like terms: 12x + -10x = 2x
A = (-15 + 2x + 8x2)

Solving
A = -15 + 2x + 8x2

Solving for variable 'A'.

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

Simplifying
A = -15 + 2x + 8x2

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