Question

G=4 ; h=3 -2g-2g+4h-4h

Answer 1

-2(4)-2(4)+4(3)-4(3)=
-8-8+12-12=
-16+0=16
Explanation:
When you multiply a positive number and a negative number you get a negative number. Therefore: -2 multiplied by 4=8. Also 12 subtracts the other 12 leaving 0.

Answer 2

-16

Explanation:

-2×4-2×4+4×3-4×3

-8-8+12-12

-16 (+12-12=0)