Jawabanmu

2014-09-08T21:19:46+07:00
(3x²-7x+1)-(x²-3x+4)
= (3x²-x²)+(-7x+3x)+(1-4)
=2x²-4x-3
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Jawaban paling cerdas!
2014-09-08T21:49:08+07:00
(3x²-7x+1)-(x²-3x+4)
= 3x²-7x+1-x²-3x+4
= 3x²-x²-7x-3x+1+4
= 2x²-10x+5

semoga benar :D
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