baronyip baronyip

14-06-2020
Mathematics

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Can someone explain how 9-3x squared turns to that and not 3(3-x squared)?

Can someone explain how 93x squared turns to that and not 33x squared class=

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silentguru101 silentguru101

14-06-2020

Answer:

Yes, it's correct

Step-by-step explanation:

9 - 3x² = 0

common factor 3

3(3-x²) = 0

divide bothside by 3

3-x²=0

=>x² = 3

=> x = ±√3

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