Question

multiply the term -2x²,x⁵z²,−7/2zx​

Answer 1

$( - 2 {x}^{2} )( {x}^{5} {z}^{2} ) ( - \frac{7}{2} zx)$

$= (( - 2 )({x}^{2 + 5+1} )( {z}^{2+1}) )( - \frac{7}{2} )$

$= ( - \cancel{2} ) \times ( - \frac{7}{ \cancel{2} } ) ({x}^{8} {z}^{3} )$

$= 7 {x}^{8} {z}^{3}$