Factorise: 8 - 4a - 2a3 + a4 - Vidyadip

Question

Factorise:
8 - 4a - 2a³ + a⁴

✓

Answer

8 - 4a - 2a³ + a⁴
= 4(2 - a) - a³(2 - a)
= (2 - a)(4 - a³)

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