Perform the indicated operations. Write the resulting polynomial in standard form.6(4x3 + x2 - 1) - 7(5x3 - 2x + 2)

A. -11x3 + 6x2 - 14x - 20
B. -11x3 + 6x2 + 14x - 20
C. -11x3 + x2 + 14x - 20
D. -11x3 + 6x2 + 14x + 20


Answer: B

Mathematics

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