Question

tell me answer quickly please ​

Answer 1

Answer:

sorry I am so weak in maths

so sorry please don't mind

please mark as brainliest answer

Answer 2

the final answer be of D= -8

and Dx= -54

Step-by-step explanation:

2 1

D= = [2]×[-3] - [2]×[1]

2 (-3)

=(-6)-(2)

= -8

19 1

Dx= =[19×(-3)]-[1×(-3)]

(-3) (-3)

= [-57]-(-3)

=(-57)+ 3 = -54