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Rina8888 [55]
3 years ago
14

Just need help with number 1. Thanks!

Mathematics
2 answers:
Mrrafil [7]3 years ago
3 0

For 1 you can use 2 or -4, either one works.

Pepsi [2]3 years ago
3 0

Answer:512/27

Step-by-step explanation:

10x^2+20x-71=9

30x^3=9+71

30x^3=80

x^3=80/30

x^3=8/3

x=8^3/3^3

x=512/27

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