(x+4)² formula (a+b)
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Step-by-step explanation:
yes true
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Answer:
(x+4)² (ᴀ+ʙ) = ᴀ² +2ᴀʙ +ʙ²
=> x²+ 2(x×4) +4²
=> x² + 2x+8 + 16
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