2006-10-10 03:19:44 · 4 answers · asked by Kelly 1 in Science & Mathematics ➔ Mathematics
This equation can be factored
The first numerical coeficient and its variable changes from 12s to 12s²
The new equation
12s² + 11sr - 5t
(4s + 5t)(3s - t)
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Check
FOIL Method
(4s + 5t)(3s - t) = 12s² + 15sr - 4st - 5t² = 12s² + 11st -5t²
2006-10-10 04:32:32 · answer #1 · answered by SAMUEL D 7 · 0⤊ 1⤋
It's easier to have the terms in descending order
-5t^2+11st +12s
Now factor out a -1
-1(5t^2-11st-12s) THIS IS NOT FACTORABLE.
IF THE THIRD TERM WERE s^2 YOU COULD FACTOR THE TRINOMIAL. ARE YOU SURE YOU COPIED IT CORRECTLY?
-1(5T+4S)(T-3S)
2006-10-10 13:14:20 · answer #2 · answered by mom 7 · 0⤊ 0⤋
It can be if the first term is 12s^2 thus:
12S^2+11st-5t^2
=12s^2-15st+4st-5t^2
=3s[4s-5t]+t[4s-5t]
=[3s+t][4s-5t]
2006-10-10 10:26:39 · answer #3 · answered by openpsychy 6 · 1⤊ 3⤋
yes, if you mean 12s^2
then factors are: (4s + 5t)(3s - t)
otherwise no
2006-10-10 10:20:32 · answer #4 · answered by Melody 3 · 1⤊ 1⤋