B. Supply the missing term in the answer. (2 points each)
7-8. 5(a+b) = 5(a) + 5(b) 9-10. 6xy (2x + 3xy - 5y?) = 6xy(2x) + 6xy(3xy) - 6xy(5y)
5a +
= 12xy + -30xy
10
15m10+ 20m - 25m
.15-8
11-12.
15m10 20m
x х
13-14.
25m
2x8
2
5m2
5m2 5m2
-m10-2+20 m5-2 25
5
10x15
=
5m2
15
=
m6-2
5
+ 4mo
11
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