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2 years ago

When factored completely the expression p^4-81 is equivalent to

1 answer:

7 0

$\displaystyle\\
p^4 - 81 =\\\\
 =p^4-3^4 =\\\\
= \Big(p^2\Big)^2 - \Big(3^2\Big)^2 =\\\\
=\Big(p^2+3^2\Big)\Big(p^2-3^2\Big)=\\\\
=\boxed{\bf \Big(p^2+3^2\Big)\Big(p+3\Big)\Big(p-3\Big)}$

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3 years ago

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Well, we just need to perform the operations:

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So, if you add all the numbers together you get

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2 years ago

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