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  • What is the LCM of x2 - z2 and x + z?
Multiple choice

What is the LCM of x2 - z2 and x + z?

  1. (x + z) (x - z)

  2. (x + z)2

  3. (x - z)2

  4. x - z

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Factors of (x2 - z2) = (x + z) (x - z) Factors of (x + z) = (x + z) LCM = (x + z) (x - z) = (x2 - z2)

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