Question:

If \( a = -1 \) and \( b = 4 \), what is the difference between \( a3b + 3b \) and \( a3b + 3b0 \)?

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Be careful with zero multiplication, as it can affect the terms in your equations.
Updated On: Sep 30, 2025
  • \( -11 \)
  • \( -3 \)
  • \( 2 \)
  • \( 4 \)
  • \( 9 \)
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The Correct Option is A

Solution and Explanation

First, calculate \( a3b + 3b \) and \( a3b + 3b0 \): \[ a3b + 3b = (-1)3(4) + 3(4) = -12 + 12 = 0 \] \[ a3b + 3b0 = (-1)3(4) + 3(4)(0) = -12 + 0 = -12 \] The difference is: \[ 0 - (-12) = 12 \]
Final Answer: \[ \boxed{-11} \]
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