expand (2x+1)^2 pls answer step by step and correct
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Answer:
(2x)²+(1)²+2(2x)(1)
4x²+1+4x
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Step-by-step explanation:
(2x + 1)²
= (2x)² + 1² + 2 × 1 × 2 [(a + b)² = a² + b² +2ab] = 4x² + 1 + 4x
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