Question

1) (8m³-2m² - 6m + 4)-(8m² - 3m³ +7m-2)
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Answer 1

Explicación paso a paso:

$8m^{3} -2m^{2}-6m+4-(8m^{3} -3m^{2}+7m-2)\\8m^{3} -2m^{2}-6m+4-8m^{3} +3m^{2}-7m+2\\m^{2}-13m+6$