How do you find the product #-12*3#?

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Answer 1 · 2016-12-29T13:12:43

#-36#

#12.(-3)#

#=12xx(-3)#

firstly multiply the numbers ignoring the signs

#12xx3=36#

put a #+ or- #sign in according to the scheme.

#+xx+ =+#

#- xx - =+#

#- xx + =-#

#+ xx - =-#

in this case we have only one #" "-" "#

#:.12.(-3)=-36#