Diamondds Diamondds
  • 22-11-2017
  • Mathematics
contestada

How to factor 3n^2-17n+24

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tynollette tynollette
  • 22-11-2017
find the factors of 3, which are 1, 3 or -1, -3,  and 24, which can be 1,24; 2,12; 3, 8; 4, 6,  negative and positive, and write them this way: factors of 3 to the left, factors of 24 to the right.
then multiply diagonally and add up the products. Keep trying different pairs of factors till you make a -17

1     -3

3     -8

 1*(-8) + 3(-3) = -17
so (n-3)(3n-8) is the factored form of the expression
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