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14-04-2022
Mathematics

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Robbie factored the following expression incorrectly. Identify his mistake, then write a few sentences
explaining to him how to fix it.

Robbie factored the following expression incorrectly Identify his mistake then write a few sentences explaining to him how to fix it class=

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Аноним Аноним

14-04-2022

Answer:

3(3r - 4)(3r + 4)

Step-by-step explanation:

I can't see the writing very clearly.

This is the correct solution:

27r^2 - 48 Divide through by 3:

= 3(9r^2 - 16) 9r^2- 16 is the difference of 2 squares so:

= 3(3r - 4)(3r + 4)

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