Factor.81x2 + 90xy + 25y2
A. (81x + 1)(x + 25)
B. (9x + 5y)(9x - 5y)
C. (9x + 5y)2
D. (9x - 5y)2
Answer: C
Mathematics
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A. 0.8
B. 0.
C. 0.
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A. 4
B. -4
C. -4i
D. 4i
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A. 7
B. 
C. 
D. 
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Combine like terms. Then write the polynomial in descending order of powers.5x8 + 9x2 - 8x8
A. Cannot be simplified B. -3x8 + 9x2 C. 6x18 D. 6x2
Mathematics