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

a^4 -2a^2 - 35

Factor the trinomial completely. a^4 -2a^2 - 35-example-1
User Andrew Tobey
by
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1 Answer

3 votes

Answer:

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

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)
User Maxthecat
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