Find an equivalent expression without parentheses.-(-3x + 6y - 8z)

A. -3x + 6y - 8z
B. 3x - 6y + 8z
C. 3x + 6y - 8z
D. 3x - 6y - 8z


Answer: B

Mathematics

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Find the requested function.If f(x) = x2 + 6x + 3, find f(x + h) - f(x).

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