Factoring two more equations


I'll give you a few hints.

What number squared equals 49?
What number squared equals 100?

(?x + ?z)(?x - ?z)

Fill in the question marks and you should have your factors.

Factor out 2 on the second one to start. You should be able to take it from there. (It's similar to your first problem.)

I hope this will help get you started.

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asked by Chris

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