Answer:
-36uw
132b
hjk
-abc
Step-by-step explanation:
When you multiply a negative by another negative, the negative is cancelled out. When you multiply a negative by a positive, the negative is kept.
1.) -9u(-4)(-w)
36u(-w)
-36uw
2.) -b(-12)(11)
12b(11)
132b
3.) -h(-jk)
hjk
4.) -1(-a)(-bc)
1a(-bc)
-1abc
-abc
Hope this helps! :)
