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Simplif (x2+16)(x2_16) =?

2 Answers

5 votes

Answer:

Explanation:

(x²+16)(x²-16) = (x²)² - 16² = x^4 - 256 use identity a²-b² = (a-b)(a+b)

User Mephane
by
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4 votes

Answer:


x^(4) - 256

Explanation:

Each term in the second factor is multiplied by each term in the first factor, that is

x²(x² - 16) + 16(x² - 16) ← distribute both parenthesis

=
x^(4) - 16x² + 16x² - 256 ← collect like terms

=
x^(4) - 256

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