Respuesta :

Answer:

x^2_5+6

=-4^2-5+6

=+16-5+6

=+11+6

=17

Step-by-step explanation:

then the answer is 17

I hope it helps you c:

Step-by-step explanation:

If x= -4, find the value of x²-5x+6=(-4)²-5×-4+6

=16+20+6=42