Question

(-1)^2 +(-2)^2-(3)^2+(-1) ×(-2) -3(-1)(3)
please answer fastd​

Answer 1

Answer:

7

Step-by-step explanation:

(-1)²+(-2)²-(3)²+(-1)×(-2)-3(-1)(3)

(-1×-1)+(-2×-2)-(3×3)(-1×-2){(-3×-1)(3)}

1+4-9+2+9

1+4+2+9-9

4+1+2+0

7