(x-3) (x+3) (x'2+9)
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Answered by
2
=x-3+x+3+x^2+9
=x^2+x+x-3+3+9
=x^2+2x+9
Answered by
1
Answer:
The answer is x'4 - 81
Step-by-step explanation:
(x - 3)(x + 3) = x^{2} - 9
(x'2 - 9) (x'2 + 9) = x'4 - 81.
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