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3(x + 4) चा विस्तार केल्यास काय मिळते?

A3x + 7
Bx + 12
C3x + 4
D3x + 12
Answer & Solution
Correct answer: D. 3x + 12
विभाजन नियमानुसार 3 ने x आणि 4 या दोघांनाही गुणले जाते.
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