(y2_5/2)(y2+7/2)
plz fast.................
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Answered by
5
Step-by-step explanation:
(y2-5/2)(y2+7/2)
= (y²)² + [(7/2)+(-5/2)]y² + [(7/2)(-5/2)]
= y⁴ + (2/2)y² + (-35/4)
= y⁴ + y² -(35/4)
= 4y⁴+4y²-35
Answered by
5
(y² - 5/2)(y² + 7/2)
y⁴ + 7/2y² - 5/2y² + (7/2)(-5/2)
y⁴ + y² - 35/4
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