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Jazz
19 February, 14:32
Remove parentheses and simplify 7a+6b-4 (3a-3b)
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Williams
19 February, 15:11
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Normally, you would do whatever is inside of the parenthesees first then do the rest but we cant get any further so we remove the parenthasees by distrubtion
7a+6b-4 (3a-3b)
-4 (3a-3b)
a (b+c) = (ab) + (ac)
-4 (3a-3b) = - 12a - (-12b)
7a+6b-12a+12b
7a-12a+6b+12b
-5a+18b
that's the asnwer
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