A=(18-x)(15+x)

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Solution for A=(18-x)(15+x) equation:


Simplifying
A = (18 + -1x)(15 + x)

Multiply (18 + -1x) * (15 + x)
A = (18(15 + x) + -1x * (15 + x))
A = ((15 * 18 + x * 18) + -1x * (15 + x))
A = ((270 + 18x) + -1x * (15 + x))
A = (270 + 18x + (15 * -1x + x * -1x))
A = (270 + 18x + (-15x + -1x2))

Combine like terms: 18x + -15x = 3x
A = (270 + 3x + -1x2)

Solving
A = 270 + 3x + -1x2

Solving for variable 'A'.

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

Simplifying
A = 270 + 3x + -1x2

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