3 years ago

Click picture please !

Mathematics

1 answer:

Pavlova-9 [17]3 years ago

6 0

Answer:

1. -i

2.-1

3.i

4. 1

these are the answers for the question above

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Sonbull [250]

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$6 {d}^{2} + 5cd - 3dc + 8$

Step-by-step explanation:

b/c we can substructure 5cd and 3dc b/c it doesn't matter if the place of cd and dc change. what I mean if 5 ×3=15 and it is the same with 3×5=15 both of the product are the same but, if it is - and ÷ it wil be wrong for example 5-3=2 but 3-5= -2

if is helpful ❤❤

THANK YOU

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