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I keep forgetting the process for this: 3(x^2 + 5)(x^2 - 5) Can someone help?

User Jrullmann
by
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1 Answer

1 vote

Answer:

see explanation

Explanation:

Note that (x² + 5)(x² - 5) are the factors of a difference of squares

a² - b² = (a + b)(a - b)

with a = x² and b = 5, hence

(x² + 5)(x² - 5) = (x²)² - 5² =
x^(4) - 25, thus

3(
x^(4) - 25) = 3
x^(4) - 75

User Apelsoczi
by
7.6k points

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