To multiply the expressions \( (2x - 3)(x + 4) \), you can use the distributive property (also known as the FOIL method for binomials).
Here are the steps:
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First: Multiply the first terms: \[ 2x \times x = 2x^2 \]
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Outer: Multiply the outer terms: \[ 2x \times 4 = 8x \]
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Inner: Multiply the inner terms: \[ -3 \times x = -3x \]
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Last: Multiply the last terms: \[ -3 \times 4 = -12 \]
Now, combine all these results: \[ 2x^2 + 8x - 3x - 12 \]
Combine like terms: \[ 2x^2 + (8x - 3x) - 12 = 2x^2 + 5x - 12 \]
Thus, the final result of the multiplication is: \[ \boxed{2x^2 + 5x - 12} \]