Question

Find the product of (x+3)(x-3) (x² + 9)​

Answer 1

Answer:

x^4-81

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

$(x + 3)(x - 3)( {x}^{2} + 9) \\( x {}^{2} - 9)( {x}^{2} + 9) \\ {x}^{4} + 9 {x}^{2} - 9 {x}^{2} - 81 \\ x {}^{4} - 81$

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