To find the coefficient of \( x \) and the constant term in the expression \( (5x + 2) \times 3 \), we can start by distributing \( 3 \) to both terms inside the parentheses.
\[ (5x + 2) \times 3 = 5x \times 3 + 2 \times 3 \]
Calculating each term:
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For \( 5x \times 3 \): \[ 5x \times 3 = 15x \] The coefficient of \( x \) here is \( 15 \).
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For \( 2 \times 3 \): \[ 2 \times 3 = 6 \] This is the constant term.
Putting it all together, the expression simplifies to: \[ 15x + 6 \]
Thus, the coefficient of \( x \) is \( 15 \) and the constant term is \( 6 \).