15x²-8x+1 factorise by splitting middle term
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15x²-8x+1
15x²-5x-3x+1
5x(3x-1)-1(3x-1)
(5x-1)(3x-1)
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Answer:
15x² - 8x + 1 = 0
15x² - 5x - 3x + 1 = 0
5x ( 3x - 1 ) - 1 ( 3x -1 ) = 0
(5x - 1 ) ( 3x - 1 ) = 0
x = 1/5 or x = 1/3
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