expand 9 + 3 X whole power 2
Answers
Answered by
0
Answer:
(9+3x)^2
9x^2+81+2*9*3x
9x^2+54x+81
Step-by-step explanation:
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Answered by
2
Answer:
144
Step-by-step explanation:
9+3²
= (a+b)
= (9+3)²
= 12²
= 144
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