Question

(3x+2)²=3x²+6x+4
find the error and correct it​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

(3x+2)² = 3x²+6x+4

l

l______ : (3x)² + 2² + 2(3x)(2)

= 9x²+4+12x

= 9x² +13x +4

By using identity (a+b)² = a²+b²+2ab

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