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kifflom [539]
3 years ago
13

(3x^2+x)(5x^3-2x^2+7)

Mathematics
2 answers:
AlladinOne [14]3 years ago
8 0

Answer:

15x5−x4−2x3+21x2+7x

Step-by-step explanation:

=(3x2+x)(5x3+−2x2+7)

=(3x2)(5x3)+(3x2)(−2x2)+(3x2)(7)+(x)(5x3)+(x)(−2x2)+(x)(7)

=15x5−6x4+21x2+5x4−2x3+7x

=15x5−x4−2x3+21x2+7x

spayn [35]3 years ago
8 0
I don’t know the answer sorry
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