Which of these is a correct expansion of (3x − 1)(4x² + 5)?
1 answer:
The correct expansion is B. 3x. 4x^2 + 3x•5 + (-1) • 4x^2+ (-1) • 5
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Answer:
B C A
Step-by-step explanation:
C let me know if I’m wrong
Answer:
Step-by-step explanation: 5
3 + x = 8
8 - 3 = 5
x = 5
3 + 5 = 8