3x^2 - x - 4
Sum = -1
Product = -12
=> 3x^2 - x - 4
=> 3x^2 - 4x + 3x - 4
=> x(3x-4) + 1(3x-4)
=> (x+1)(3x-4)
Hope it helps!!!
Written on Jan. 17, 2021, 4 p.m.
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Answer of this question
Factorise 3xsquare-x-4
Comment
3x^2 - x - 4
Sum = -1
Product = -12
=> 3x^2 - x - 4
=> 3x^2 - 4x + 3x - 4
=> x(3x-4) + 1(3x-4)
=> (x+1)(3x-4)
Hope it helps!!!
Written on Jan. 17, 2021, 4 p.m.