factorise 3x^2-x-4
Answers
Answered by
15
Answer:
3x^2 - 4x + 3x - 4
x ( 3x - 4 ) + 1 ( 3x - 4 )
( 3x - 4 ) ( x + 1 )
hope it helps
Answered by
14
Answer:
3x²-x-4
3x²+3x-4x-4
3x(x+1)+4(x+1)
(3x+4)(x+1)
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