To expand the expression \(-4(6a - 5)\), you will distribute \(-4\) to both terms inside the parentheses.
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Multiply \(-4\) by \(6a\): \[ -4 \times 6a = -24a \]
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Multiply \(-4\) by \(-5\): \[ -4 \times -5 = 20 \]
Now, combine the two results: \[ -24a + 20 \]
So, the expanded expression is: \[ -24a + 20 \]