18a+(a−9)2
Distribute:
=18a+a2+−18a+81
Combine Like Terms:
=18a+a2+−18a+81
=(a2)+(18a+−18a)+(81)
=a2+81
Answer:
=a2+81
Answer:
9
Step-by-step explanation:
The factors of 9 are: 1, 3, 9
The factors of 45 are: 1, 3, 5, 9, 15, 45
Then the greatest common factor is 9.
Answer: 10, 4, 5, 7, 4
Step-by-step explanation: This one was tricky
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