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serg [7]
3 years ago
13

Faelyn noticed that she does not have a common factor. Which accurately describes what Faelyn should do next?

Mathematics
2 answers:
Jlenok [28]3 years ago
4 0
Without knowing what Faelyn has done so far or what she is working with, the second selection seems appropriate.

6x^4 -5x^2 -4
= (6x^4 +3x^2) -(8x^2 +4)
= 3x^2*(2x^2 +1) -4(2x^2 +1)
= (3x^2 -4)(2x^2 +1)
nadya68 [22]3 years ago
3 0

Answer:

(3x^2-4)(2x^2+1)

Step-by-step explanation:

Given that Faelyn noticed that she does not have a common factor.

The polynomial is

6x^4-5x^2-4

She can multiply constant term and leading term.

6*-4 =-24

The factors are -8 and 3 which when added give the middle coefficient -5.

Hence this can be factored by grouping as

(6x^4+3x^2)-(8x^2+4)\\= 3x^2(2x^2+1)-4(2x^2+1)\\=(3x^2-4)(2x^2+1)

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