How do you divide #120\div ( - 12)#?

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Answer 1 · 2017-03-06T09:49:43

#-10#

With division of negative numbers there are two basic steps:

1) divide the numbers, ignoring the signs

2) put the correct sign in front according to the scheme

#+ -:+=+#

#- -: - =+#

#+ -: - =-#

#- -: + = -#

so for

#120-:(-12)#

we have

#120-:12=10#

#+ -: - =-#

so #" "120-:(-12)=-10#