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OpenStudy (anonymous):
5x-7(2-4x) And can you explain how you got the answer
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OpenStudy (anonymous):
FOIL / Distribute Leave 5x alone for now. -7(2-4x) = -7*2 and -7*-4x = -14+28x Add in 5x -> 5x - 14 + 28x
OpenStudy (anonymous):
But what is the rule when you do it for any problem like that
OpenStudy (anonymous):
You expand the equation in any way possible until it cannot be expanded. -7(2-4x) can be expanded into -14+28x through distribution. After that, nothing else can be expanded.
OpenStudy (anonymous):
Ohhh Thank you
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