Find the product.(x + y)(x2 - xy + y2)
A. x3 - y3
B. x3 - 2x2y + 2xy2 + y3
C. x3 + xy + y3
D. x3 + y3
Answer: D
Mathematics
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Let x represent the number. Write the English phrase as an algebraic expression. Then simplify the expression, if possible.-3 times the sum of a number and 29.
A. (-3 + x) ? 29; -87 + 29x B. -3x + 29; cannot be simplified C. -3(x + 29); -3 + 29x D. -3(x + 29); -3x - 87
Mathematics
Evaluate the expression.274/3
A. 81 B. 243 C. 729 D. 2187
Mathematics
Add the rational expressions: 
a. 
b. 
c. 
d. 
Mathematics
Use the Factor Theorem to determine whether x - c is a factor of f(x).f(x) = x4 + 10x3 + 9x2 + 87x - 30; x - 10
A. Yes B. No
Mathematics