factorise 12 x2-7×+1
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UR ANSWER IS:
12x² - 7x + 1
= we can find two numbers such that pq = 12 x 1 = 12 and p + q = -7
= Here, 12x² - 7x + 1 = 12x² - 4x - 3x + 1
= 4 x ( 3x - 1 ) - 1 ( 3x - 1 )
= ( 3x - 1 ) ( 4x - 1 )
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Answered by
2
12 x 2 - 7 × + 1
we can find two numbers such that p q
= 12x1 = 12 and p+q = -7
here, 12x² - 7x + 1
= 12x² 7x +1
= 12x²-4x-3x + 1
= 4( 3x-1) - 1( 3x-1)
= ( 3x-1) (4x-1)
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