Multiply 3x²”y and (2x³y ³- 5x²y+ 9xy)
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Step-by-step explanation:
•(3x
2
−2x−1)(2x
2
+x−5)
=x
4
+3x
3
−15x
2
−4x
3
−2x
2
+10x−2x
2
−1+5
=6x
4
−x
3
−19x
2
+9x+5
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