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toddb8106
07.11.2019 •
Mathematics
Sam jack and owen share a baseball collection in the ratio 8: 5: 3. sam and jack receive a total of 104 baseball cards. how many more cards did jack receive than owen?
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Ответ:
The idea is to pair up the terms, factor each sub-group, and then pull out the overall GCF to fully factor.
x^3+5x^2-6x-30
(x^3+5x^2)+(-6x-30)
x^2(x+5)+(-6x-30)
x^2(x+5)-6(x+5)
(x^2-6)(x+5)
(x^2-6)(x+5)