factorise:
3x^{2} - x -4
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,doneee.............
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raminder1:
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3x^2 + 3x -4x -4 =0
3x(x+1) -4(x+1) = 0
(x+1) (3x -4) =0
hence x = -1
and x = 4 /3
3x(x+1) -4(x+1) = 0
(x+1) (3x -4) =0
hence x = -1
and x = 4 /3
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