(3x²+5x-6 )(x-1)-(x²-2x+3)(x+4)
Answers
Answered by
0
Answer:
3x
2
+5x−7)(x−1)−(x
2
−2x+3)(x+4)
=[3x
3
−3x
2
+5x
2
−5x−7x+7]−[x
3
−4x
2
−2x
2
−8x+3x+12]
=[3x
3
+2x
2
−12x+7]−[x
3
+2x
2
−5x+12]
=3x
3
+2x
2
−12x+1−x
3
−2x
2
+5x−12
=2x
3
−7x−11.
Answered by
0
Answer:
(3x
2
+5x−7)(x−1)−(x
2
−2x+3)(x+4)
=[3x
3
−3x
2
+5x
2
−5x−7x+7]−[x
3
−4x
2
−2x
2
−8x+3x+12]
=[3x
3
+2x
2
−12x+7]−[x
3
+2x
2
−5x+12]
=3x
3
+2x
2
−12x+1−x
3
−2x
2
+5x−12
2x
3
−7x−11.
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