(r-2t)(r+4w)=

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Solution for (r-2t)(r+4w)= equation: 


Simplifying
(r + -2t)(r + 4w) = 0

Multiply (r + -2t) * (r + 4w)
(r(r + 4w) + -2t * (r + 4w)) = 0
((r * r + 4w * r) + -2t * (r + 4w)) = 0

Reorder the terms:
((4rw + r2) + -2t * (r + 4w)) = 0
((4rw + r2) + -2t * (r + 4w)) = 0
(4rw + r2 + (r * -2t + 4w * -2t)) = 0
(4rw + r2 + (-2rt + -8tw)) = 0

Reorder the terms:
(-2rt + 4rw + r2 + -8tw) = 0
(-2rt + 4rw + r2 + -8tw) = 0

Solving
-2rt + 4rw + r2 + -8tw = 0

Solving for variable 'r'.

The solution to this equation could not be determined.

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