8. Factorise: 5x4 - 5y4 +10y2 – 5.
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0
Answer:
5×4 - 5y4 + 10y2 - 5
20-20y+20y-5
20-5
15
Answered by
0
Answer:
(5x²)²-(5y4²)+ 10y²-5
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