Question

write down the product of (3 – x2) (5 + x2)
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give the correct answer
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Answer 1

Step-by-step explanation:

15-4x-4x^2 ok help to you

Answer 2

3(5+x^2)-x^2(5+x^2)

15+3x^2-5x^2-x^4

15-2x^2-4x^2