What is the value of x^2yz − xyz^2, if x = − 2, y = 1, and z = 1? Choices.
A) 6  B) 24  C) 30  D) 32  E) 48
4*1*1 -(- 2*1*1)   =4+2= 
<gadget id="calculator">4+2</gadget>
<output>6</output>
6   6ns: 6
<result>A</result>
What is the value of x^2yz − xyz^2, if x = − 2, y = 1, and z = 1?