Question

$5x\times (-4yz)\times 3xz$ =

• A. $60xyz$
• B. $15x^2{z}^2-4yz$
• C. $-60xyz$
• D. $-60x^{2}y{z}^2$

Answer 1

The correct option is D $-60x^{2}y{z}^2$

We know that, $x\times x=x^2$, $z\times z=z^2$ and
$5\times (-4)\times 3=-60$.

$\therefore 5x\times (-4yz)\times 3xz=-60x^{2}y{z}^2$