Factor the polynomial. 7x2 + 68xy - 20y2 A) (7x - 2y)(x + 10y) B) (7x - 10y)(x - 2y) C) (7x + 10y)(x + 2y) D) (7x + 2y)(x - 10y)


For this case we have the following polynomial:  7x2 + 68xy - 20y2  Factoring we have:  (7x-2y) (x + 10y)  We verify the factorization:  7x2 + 70xy - 2xy - 20y2  Rewriting we have:  7x2 + 68xy - 20y2  Therefore, the factorization is correct.  Answer:  A) (7x - 2y) (x + 10y)

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