3 years ago

Let p=x^2+6

1 answer:

8 0

That's a bit of a nasty. Where ever you see (x^2 + 6) you put in p.
p^2 - 21 = 4(x^2 + 6)
p^2 - 21 = 4p
p^2 - 4p - 21 = 0

A <<<< answer.

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Step-by-step explanation:

Given

$\sqrt{72a^8b^5$

Required

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