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Which expressions are equivalent to 4x^4-9x^2? (could be more than one answer.) A. (2x^4-3x^2)(2x^4+3x^2) B. 4x^2(x^2-5) C. x^2(4x^2-9) D. (2x^2-3x)(2x^2+3x) halp plz

Which expressions are equivalent to 4x^4-9x^2? (could be more than one answer.) A. (2x^4-3x^2)(2x^4+3x^2) B. 4x^2(x^2-5) C. x^2(4x^2-9) D. (2x^2-3x)(2x^2+3x) halp plz
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Which expressions are equivalent to 4x^4-9x^2?

(could be more than one answer.)
A. (2x^4-3x^2)(2x^4+3x^2)
B. 4x^2(x^2-5)
C. x^2(4x^2-9)
D. (2x^2-3x)(2x^2+3x)

halp plz

User SAMIR RATHOD
by
7.2k points

1 Answer

6 votes
We can cosider this to be a difference of 2 squares so

4x^4 - 9x^2 = (2x^2 - 3x)(2x^2 + 3x) so D is one answer

also we could take x^2 out and get
x^2(4x^2 - 9) = C
User Swolfish
by
7.8k points
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