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Which sum or difference is modeled by the algebra tiles? A. (x2 4x − 2) (x2 − 2x − 4) = 2x2 2x 2 B. (x2 4x − 2) (x2 2x 4) = 2x2 2x 2 C. (x2 4x − 2) − (-x2 2x − 4) = 2x2 2x 2 D. (x2 4x − 2) − (-x2 − 2x 4) = 2x2 2x 2.

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309445

Answer:

Because (-x²+2x+3)+(-x²-2x-1) = -x²+2x+3-x²-2x-1 = -2x²+2

Step-by-step explanation:

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