Which property can be used to expand the expression #-2(3/4x+7)#?

1 Answer
smendyka
Jan 7, 2017

You can use the distributive property - see its application to this expression below

Explanation:

To use the distributive property you multiply the term outside the parenthesis (#color(red)(-2)#) by each term within the parenthesis to expand the expression:

#(color(red)(-2) xx 3/4x) + (color(red)(-2) xx7) ->#

#(-cancel(color(red)(2)) xx 3/(color(red)(cancel(color(black)(4)))2)x) + (color(red)(-2) xx7) ->#

#-3/2x + (-14) ->#

#-3/2x - 14#

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