Question

Calcula el valor el valor numerico de esta expresion algebraica

Answer 1

Explicación paso a paso:

x=-2

-2x²+4-2=

-2(-2²)+2=

-2(4)+2=

-8+2=6

x=-1

y=2

x²y-xy-8=

-1²(2)-(-1(2))-8=

1(2)-(-2)-8=

2+2-8=4