Same chapter3 marksDifficulty: Medium
Factorise x4 − 81.
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3 marksDifficulty: Medium
Factorise 4x2 − 12x + 9.
Original Khojo Papers practice question — not from a past board paper.
Answer
(2x − 3)2
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
It is a perfect square, (2x)2 − 2(2x)(3) + 32.
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