Factorise:-a) 6x²+5x-6,b) 3x²-x-4
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a) 6x² + 5x - 6
6x² + 9x - 4x - 6
3x(2x+3) - 2(2x+3)
(2x+3)(3x-2)
b) 3x² - x - 4
3x² + 3x - 4x - 4
3x(x+1) - 4(x+1)
(x+1)(3x-4)
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