Expand 4(3zāˆ’7)

4
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3
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7
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1 answer

To expand the expression \( 4(3z - 7) \), you will distribute the \( 4 \) to both terms inside the parentheses.

Here are the steps:

  1. Multiply \( 4 \) by \( 3z \): \[ 4 \times 3z = 12z \]

  2. Multiply \( 4 \) by \( -7 \): \[ 4 \times -7 = -28 \]

Now, combine the results:

\[ 4(3z - 7) = 12z - 28 \]

So, the expanded form is:

\[ \boxed{12z - 28} \]