(12-3)² - 9 please give step-by-step explanation..I request you..
Answers
Answered by
0
Answer:
72
Step-by-step explanation:
yes right answer my answer maek as braniest
Answered by
0
Answer:
firstly u use (a-b)2 = a2+b2-2ab
(12-3)2=12^2+3^2-2×12×3=24+6-72
then ,24+6-72-9=-42-9=-51answer.
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