Nathan B. answered • 02/11/16
Tutor
5
(20)
Elementary and Algebraic skilled
when variables are next to each other and the coefficient, that means we're multiplying them together. that means:
6ab → 6 * 12 * 7 → 72 * 7 = 504
Edward C.
tutor
Perhaps a is supposed to be equal to 1/2 instead of 12
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02/12/16
Didi P.
02/11/16