IDNLearn.com: Your go-to resource for finding expert answers. Ask anything and get well-informed, reliable answers from our knowledgeable community members.
Answer:
35u−7y+21
Step-by-step explanation:
−7(−5u+y−3)
=(−7)(−5u+y+−3)
=(−7)(−5u)+(−7)(y)+(−7)(−3)
=35u−7y+21