factorise x cube minus 2 x square - 3 x + 2
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Answer:
Step-by-step explanation:
2x
3
−3x
2
−17x+30
=2x
3
+2x
2
−12x−5x
2
−5x+30
=2x(x
2
+x−6)−5(x
2
+x−6)
=(x
2
+x−6)(2x−5)
=(x
2
+3x−2x−6)(2x−5)
=[x(x+3)−2(x+3)](2x−5)
=(x+3)(x−2)(2x−5)
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