r=(50+5x)(24-x)

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Solution for r=(50+5x)(24-x) equation: 


Simplifying
r = (50 + 5x)(24 + -1x)

Multiply (50 + 5x) * (24 + -1x)
r = (50(24 + -1x) + 5x * (24 + -1x))
r = ((24 * 50 + -1x * 50) + 5x * (24 + -1x))
r = ((1200 + -50x) + 5x * (24 + -1x))
r = (1200 + -50x + (24 * 5x + -1x * 5x))
r = (1200 + -50x + (120x + -5x2))

Combine like terms: -50x + 120x = 70x
r = (1200 + 70x + -5x2)

Solving
r = 1200 + 70x + -5x2

Solving for variable 'r'.

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

Simplifying
r = 1200 + 70x + -5x2

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