Question

mutiply 1-2 by4-5 answer​

Answer 1

Answer:

1

Step-by-step explanation:

(1-2)(4-5)

= 1(4-5)-2(4-5)

=4-5-8+10

=-1-8+10

=-9+10

=1

Answer 2

Answer:

2

Step-by-step explanation:

(1-2)×(4-5)

-1×(4-5)

-1×(-1)

2