How many heartbeats are in 45 seconds
1 answer:
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Both terms have a 
in common, so we can pull it out. The factored form will be times whatever is left after pulling it out.
In the first term, we will have just 8 left since everything else in the term is factored out.
The second term has a
left. Notice that both of these terms no longer have a negative sign since the negative was factored out.
The answer is
In the first term, we will have just 8 left since everything else in the term is factored out.
The second term has a
The answer is