# Simplify this expression: 21-4x + 6)

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Plz Help Fast!
20 points. Which equation applies the associative property of multiplication? A.−67⋅811⋅13=811⋅(−67)⋅13
B.(−78⋅25)+(−78⋅35)=−78⋅(25+35)
C.−512⋅(65⋅13)⋅92=(−512⋅65)⋅(13⋅92)
or D.(−14−53)−35=−14−(53−35) ...

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