Answer:
After expanding the polynomial we get
Step-by-step explanation:
We need to expand the polynomial
Multiply the terms:
So, after expanding the polynomial we get
get rid of -2 by subtracting it from 21
Now you get your answer
Hope this helps! :)
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Answer:
42
Step-by-step explanation:
We use (BODMAS) :
Brackets
Order/Index
Division
Multiplication
Addition
Subtraction
Now we do bracket first :
7(3²) = 7(9) = 63
Now we do division :
63÷3 = 21
Now we do multiplication :
2 × 21 = 42
Hope this helped and have a good day