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Basic Operations & Factorization
Linear Equations
Quadratic Equations

What is the L.C.M. of the polynomials x^2 - 1 and x^2 - 4?

Answer: A. (x - 1)(x + 1)(x - 2)(x + 2)
The L.C.M. is the product of the distinct factors of both polynomials.
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