Question

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1) Express (2-1) (3 +21) in the form of
atib
1+4i​

Answer 1

Answer:

1) Express (2-1) (3 +21) in the form of

atib

1+4i

Answer 2

-24/[1+5(-5)

Step-by-step explanation:

IDK

WHAT IS atib

so instead I factorise it

(2-1)(3+21)

= (-1)(3+21)

= [(-3)+(-21)]

= (-24)

anyway to my guess 1+4i

-24

= 1+5(-5)