Ans: A
$\begin{array}{cl}
& (3x-5)(2x^2 + 5x -3) \\
= & 3x(2x^2 + 5x – 3) -5(2x^2 + 5x – 3) \\
= & 6x^3 +15x^2 -9x -10x^2 -25x + 15 \\
= & 6x^3 + 5x^2 – 34x + 15
\end{array}$
$\begin{array}{cl}
& (3x-5)(2x^2 + 5x -3) \\
= & 3x(2x^2 + 5x – 3) -5(2x^2 + 5x – 3) \\
= & 6x^3 +15x^2 -9x -10x^2 -25x + 15 \\
= & 6x^3 + 5x^2 – 34x + 15
\end{array}$
