A tank can be filled by one pump in 3.2 hours and by another pump in 80 minutes. A third pump can drain the tank in 2 hours and
1 answer:
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Answer:
see explanation
Step-by-step explanation:
Factorise both denominators
x² + 2x = x(x + 2) ← common factor of x
x² - 4 = (x - 2)(x + 2) ← difference of squares
Before subtracting we require common denominators
Multiply the numerator/denominator of the first fraction by (x - 2)
Multiply the numerator of the second fraction by x
= -
Distribute and simplify the numerator leaving the denominator
=
=
So prime factorization is as it seems, finding the prime factors for a number. With this number, break it down as such:
<u>Looking at our factors, the prime factorization of 6400 is </u>