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Just need help with number 1. Thanks!
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4 votes
Just need help with number 1. Thanks!

Just need help with number 1. Thanks!-example-1
User Eng Mghase
by
4.1k points

2 Answers

3 votes

Answer:512/27

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

User Folarin
by
5.0k points
3 votes

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

User Pieter
by
5.5k points
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