Answer:
x² - 10x + 21
Step-by-step explanation:
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I cannot see it all is their something you could do to help me help you?
Simply simplify:
7a³(7a²)-4a^6 ⇒ 49a^6 - 4a^6 ⇒ 45a^6
Hope that helps!
54 boo . Divide 189 by 7 then multiply by 2 which is 54
