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Alexandra [31]
3 years ago
8

Verify that 3x(5x^2 -7x +12) is equivalent to the 15x^3 -21x^2 +36x

Mathematics
1 answer:
klemol [59]3 years ago
5 0
<span>3x(5x^2 -7x +12) = 15x^3 - 21x^2 + 36x</span>
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Step-by-step explanation:

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180=7x+x+30+6

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step 3 divide each side by 8

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Total no = N (P) + N (H) + N (T) - N (P∩H)  -  N (H∩T) - N (P∩T) + N (P∩H∩T) + neither

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N (only T) = N (T) - N (H∩T) - N (P∩T) + N (P∩H∩T) = 58 - 37 - 40 + 25 = 6

So, total liking either one or neither = 4 + 5 + 5 + 6 = 20

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