What is the complete factored form of the expression y4 - 1 6?
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What is the complete factored form of the expression y4 - 1 6?
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Answer:
The complete factored form of yª - 49 is (y² + 7)(y² - 7)
Step-by-step explanation:
Checking:
(y² + 7)(y²-7)
= y²(y²) + y²(-7)+7(y²) + 7(-7)
= y^-7y² + 7y² - 49
= y¹ - 49
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