A = a ( a - 6 ) + 6a
A = a² - 6a + 6a
A = a²
B = 5a (a + 3) - 5a²
B = 5a² + 15a - 5a²
B = 15a
Piden:
A×B
a² × 15a
15a³
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A = a ( a - 6 ) + 6a
A = a² - 6a + 6a
A = a²
B = 5a (a + 3) - 5a²
B = 5a² + 15a - 5a²
B = 15a
Piden:
A×B
a² × 15a
15a³
Respuesta:
15a³.