Factor when possible.4x3 + 7x + 12x2 + 21
A. (x + 3)(4x + 7)
B. (x + 3)(4x2 - 7)
C. (x - 3)(4x2 + 7)
D. (x + 3)(4x2 + 7)
Answer: D
Mathematics
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Mathematics
Solve the system of equations using substitution.
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Mathematics