Divide.(x3 + 5x2 - 12x + 14) ÷ (x + 7)
A. x2 - 2x - 2
B. x2 + 2x + 2
C. x2 - 2x + 7
D. x2 - 2x + 2
Answer: D
Mathematics
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Factor by grouping.20x6 + 16x3y4 - 15x3y4 - 12y8
A. (4x3 - 3y)(5x3 + 4y8) B. (20x3 - 3y4)(x3 + 4y4) C. (4x3 + 3y4)(5x3 - 4y4) D. (4x3 - 3y4)(5x3 + 4y4)
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For the given regular polygon, find the measure of one angle.
A. 108° B. 540° C. 120° D. 60°
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Solve the equation for x.y = cos (x + 12)
A. x = arccos (y + 12) B. x = arccos y - 12 C. x = arccos (y - 12) D. x = arccos y + 12
Mathematics