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Gemiola [76]
3 years ago
15

Factor the trinomial completely. a^4 -2a^2 - 35

Mathematics
1 answer:
valentina_108 [34]3 years ago
8 0

Answer:

(a^2+5)(a^2-7)

Step-by-step explanation:

  • a^4 -2a^2 - 35=
  • a^4-2a^2+1-36=
  • (a^2-1)^2-6^2=
  • (a^2-1+6)(a^2-1-6)=
  • (a^2+5)(a^2-7)
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