Solve the equation.(x + 2)(x - 1) = (x + 1)2
A. 
B. 
C. 
D. {3}
Answer: B
Mathematics
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Solve.x2 + y2 = 13x - y = 1
A. (2, 3), (3, 2) B. (-2, -3), (3, 2) C. (2, -3), (3, -2) D. (-2, 3), (-3, 2)
Mathematics
Factor the sum or difference of cubes.x3 - 125
A. (x - 5)(x2 + 25) B. (x + 5)(x2 - 5x + 25) C. (x - 5)(x2 + 5x + 25) D. (x + 125)(x2 - 1)
Mathematics
Use duality to solve the problem.Minimizew = 5y1 + 3y2subject to:2y1 + 3y2 ? 9 2y1 + y2 ? 11 y1 ? 0, y2 ? 0
A. 27 B. 27.5 C. 33 D. 25
Mathematics
Simplify the expression. Write your answer without negative exponents. Whenever an exponent is negative or zero, assume that the base is not zero.
A. - 
B. - 
C. - 
D. 
Mathematics