14-06-2020
Mathematics

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a4+5a2b2+9b4 help me

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mhanifa mhanifa

14-06-2020

Answer:

(a²+3b²+ab)(a²+3b²-ab)

Step-by-step explanation:

a⁴ + 5a²b² + 9b⁴

=a⁴ + 6a²b² + 9b⁴- a²b²

= (a²+3b²)²-(ab)²

= (a²+3b²+ab)(a²+3b²-ab)

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