Question 717659
factorise 6f2-10f+4

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= 2[3f^2 -5f + 2]
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= 2[3f^2 - 3f-2f + 2]
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= 2[3f(f-1) -2(f-1)]
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= 2(f-1)(3f-2)
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Cheers,
Stan H.
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