Factor the sum or difference of cubes.2u3 - 16
A. (u - 2)(u2 + 2u + 4)
B. 2(u + 2)(u2 - 2u + 4)
C. (u + 2)(u2 - 2u - 4)
D. 2(u - 2)(u2 + 2u + 4)
Answer: D
Mathematics
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Solve the equation.
= 
A. {6} B. {56} C. {-16} D. {-56}
Mathematics
Give all solutions of the nonlinear system of equations, including those with nonreal complex components. x2 - xy + y2 = 32x2 + xy + 2y2 = 12
A. {(2, 1), (1, 2)} B. {(1, 0), (-1, 0)} C. {(2, 1), (-2, -1), (1, 2), (-1, -2)} D. {(2, 0), (-2, 0), (1, 0), (-1, 0)}
Mathematics
Write the algebraic expression without parentheses.- (7z - 8w + 8y)
A. -7z - 8w + 8y B. -7z + 8w + 8y C. -7z - 8w - 8y D. -7z + 8w - 8y
Mathematics
Evaluate the sum.
A. 35 B. 19 C. 37 D. 70
Mathematics