Question

x = 2, y = -1, z = -2, :: xy + yz + zx
evaluate. replace the variable for their values
need fast pls answr

Answer 1

$\red{\boxed{\boxed{ -2 }}}$

Step-by-step explanation:

x = 2

y = -1

z = -2

_______________

= xy + yz + zx

= 2(-1) + (-1)(-2) + (-2)(2)

= -2 + 2 + (-2)

= 0 - 2

= -2

_______________

${\purple{\boxed{ \:  \: {\mathfrak{\underline{\purple{ @11177420 }}}} }}}$

Answer 2

Answer:

plz mark me brainliest answer

Step-by-step explanation:

xy+yz+zx

=(2×-1)+(-1×-2)+(-2×2)

=-2+2+-4

=0-4

=-4 is the answer