Question

If x is equal to -1, y equal to minus 2 and z is equal to 3 find the value of x square minus y z - z x

Answer 1

${ - 1}^{2} - ( - 2)(3) - (3)( - 1)$

Step-by-step explanation:

1+6+3

10

Answer 2

Answer:

10.

Step-by-step explanation:

x= -1, y= -2, z=3

x²-yz-zx=?

x²=1; -yz= -(-2)(3)= 6; -zx= -(3)(-1)= 3;

1+6+3=10