Factor.x4 + 2x2 + 1
A. (x2 + 1)(x2 - 1)
B. (x2 + 2)(x2 - 2)
C. (x2 + 1)2
D. (x2 - 1)2
Answer: C
Mathematics
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Use mathematical symbols to translate the phrase. Use x to represent the unknown number. If there are two unknown numbers, use x and y to represent the numbers.3 more than the difference of two numbers.
A. 3(x - y)
B. x + y - 3
C. x - y + 3
D. 
+ 3
Mathematics
Remove or add parentheses as indicated.Place parentheses to make the equation 
true.
A. (a + b) ? a + b = a2 + 2ab + b2 B. a + b ? (a + b) = a2 + 2ab + b2 C. (a + b) ? (a + b) = a2 + 2ab + b2 D. None needed.
Mathematics
Solve.10 = x - 17
A. 7 B. -27 C. -7 D. 27
Mathematics
Find the product.-44
A. -256 B. -8 C. 1024 D. 256
Mathematics