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= 2x2 × (5-9x + 7x2) = 2x2 (7x2-9x + 5)TRY THESEDo yformFactorise:(i)12x+36(ii) 22y-33z(iii) 14pq +35pqr: |
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Answer» i) 12(x+3)ii) 11(2y-3z)iii) 7pq(2+5r) |
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