(2x+3)²
plz answers my question
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Answered by
2
Answer:
4x²+12x+9
Step-by-step explanation:
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Answered by
1
Step-by-step explanation:
by using the (a+b)²=a²+b²+2ab
(2x)²+(3)²+2×2x×3
4x²+9+12x
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