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The factorization of x2 + 3x – 4 is modeled with algebra tiles. What are the factors of x2 + 3x – 4? A) (x + 4) and (x – 4) B) (x + 3) and (x – 4) C) ( x + 4) and (x – 1) D) (x + 3) and (x – 1)

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Answer:

C:  (x + 4)(x - 1)

Step-by-step explanation:

Please use " ^ " to indicate exponentiation.  Thanks.

x2 + 3x – 4 →  x^2 + 3x - 4 = (x + 4)(x - 1)      This matches Answer C.

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