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Mathematics 21 Online
OpenStudy (anonymous):

which expression is equivalent to -3.2(2x-2.1) -6.4x+6.72 -6.4x-6.72 6.4x+6.72 -6.4x+2.1

OpenStudy (hexagon001):

so multiply what is outside of the bracket by everything in the bracket.. -3.2 X 2x + -3.2 X -2.1= -6.4x +6.72

OpenStudy (hexagon001):

hope that helps

OpenStudy (hexagon001):

@madison123 is this clear?

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