after complete factorization of
the answer is 
Step-by-step explanation:
We need to factor 
Taking 4 common and factorizing:

So, after complete factorization of
the answer is 
Keywords: factorization, factors
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Answer:
52
Step-by-step explanation:
sorry if it's wrong
Answer:
Step-by-step explanation:
Be careful how you handle this.
f(-7) = 3(-7)^2
f(-7) = 3* 49 Notice the minus sign disappears. That's because there are 2 of them.
f(-7) = 147
15:45 in simplest form is 1:3
the LCM of 15 and 45 is 15, and when you divide both by 15, you get 1:3
For this problem, you would have to use a system of equations. Hope this helps!