20. What is (2x^2 + 4x + 8) - (-3x^2 - 10x + 2)? A. 5x^2 + 14x + 6 B. -x^2 + 14x + 10 C. 5x^2 + 6x + 6 D. -x^2 - 6x + 6
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First, we can distribute the negative sign to the terms in the second parentheses: (2x^2 + 4x + 8) - (-3x^2 - 10x + 2) = (2x^2 + 4x + 8) + (3x^2 + 10x - 2) Show more…
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