r=(120-2q)q

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Solution for r=(120-2q)q equation: 


Simplifying
r = (120 + -2q) * q

Reorder the terms for easier multiplication:
r = q(120 + -2q)
r = (120 * q + -2q * q)
r = (120q + -2q2)

Solving
r = 120q + -2q2

Solving for variable 'r'.

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

Simplifying
r = 120q + -2q2

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