Answer:
3ax−11a−9x
Explanation:
3ax+4a−(9x+15a)
Distribute the Negative Sign:
=3ax+4a+−1(9x+15a)
=3ax+4a+−1(9x)+−1(15a)
=3ax+4a+−9x+−15a
Combine Like Terms:
=(3ax)+(4a+−15a)+(−9x)
=3ax+−11a+−9x
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