Respuesta:
(-3xy ) (2x² + 5y³)
-3xy2x² - 3xy5y³
-6x³y - 3xy5y³
=-6x³y - 15xy⁴
5a² (2a² + 3b - 15)
5a²2a² + 5a²3b - 5a²15
10a⁴ + 15a²b - 5a²15
=10a⁴ + 15a²b - 75a²
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Respuesta:
(-3xy ) (2x² + 5y³)
-3xy2x² - 3xy5y³
-6x³y - 3xy5y³
=-6x³y - 15xy⁴
5a² (2a² + 3b - 15)
5a²2a² + 5a²3b - 5a²15
10a⁴ + 15a²b - 5a²15
=10a⁴ + 15a²b - 75a²