2 years ago

Please show me how to do this!!

1 answer:

7 0

(2x^4 + 3x^2)(x^2-1)
you multiply and you'll get:
2x^8-2x^4+3x^4-3x^2
then add the coefficients with x^4
= 2x^8+1x^4-3x^2

the coefficient for x^4 is 1, so the answer is B

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