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EleoNora [17]
3 years ago
8

PLEASE HELP WILL GIVE BRAINLIEST

Mathematics
1 answer:
GuDViN [60]3 years ago
3 0

Answer:

\frac{x^{2} + 19x + 102}{4(x + 5)(x + 7)}

Step-by-step explanation:

I have factored and multiplied lwh to get the volumes

Vol. = \frac{2x - 1}{(2x - 3)(x + 5)} \frac{2(2x - 3)}{3x - 1}\frac{(3x - 1)(x + 3)}{(2x - 1)(x + 3)} + \frac{x - 5}{3x + 2}\frac{3x + 2}{4}\frac{x - 2}{(x + 7)(x - 5)}

      = \frac{4}{x + 5} + \frac{x - 2}{4(x + 7)}

      = \frac{4(4)(x + 7) + (x - 2)(x + 5)}{4(x + 5)(x + 7)}

      =  \frac{16x + 112 + x^{2} + 3x -10}{4(x + 5)(x + 7)}

      = \frac{x^{2} + 19x + 102}{4(x + 5)(x + 7)}

If I have done everything correctly, then \frac{x^{2} + 19x + 102}{4(x + 5)(x + 7)} is the total volume

This a real exercise in factoring and multiplying and adding fractions

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