Identify the like terms in the algebraic expression. 9x2 + 9 - 5x + x2 - 5
A. 9x2 and -5x2; 9 and -5
B. 9x2 and 9; 5x and x2
C. 9x2, x2, and -5x; 9 and -5
D. 9x2 and x2; 9 and -5
Answer: D
Mathematics
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