3x²-x-4 factorise please solve
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Answer : x = -1 or 4/3
Explanation :
3x² - x - 4
= 3x² - 4x + 3x - 4
= x ( 3x -4 ) + 1 ( 3x - 4 )
= ( x + 1 ) ( 3x - 4 )
Therefore , x = -1 or 4/3
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