factorise (1) 9x^-12x+3 (2)7x^-2x-9 (3)3y^+14y-5 (4)6y^-y-2
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Step-by-step explanation:
BY QUADRATIC TRINOMIALS
(1) (x-1) (9x-3)
(2) (7x-9) (x+1)
(3) (y+5) (3y-1)
(4) (2y+1) (3y-2)
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