Multiply.(x2 + x - 10)(x2 + x - 4)
A. x4 + x3 + 15x2 + 14x + 40
B. x4 + x3 - 14x2 - 14x + 40
C. x4 + 2x3 + 14x2 - 6x + 40
D. x4 + 2x3 - 13x2 - 14x + 40
Answer: D
Mathematics
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