Respuesta:
Explicación paso a paso:
5a²b-7ab²
5(1)²(-1)-7(1)(-1)²
5(1)(-1)-7(1)(1)
-5-7
-12
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Verified answer
Respuesta:
Explicación paso a paso:
5a²b-7ab²
5(1)²(-1)-7(1)(-1)²
5(1)(-1)-7(1)(1)
-5-7
-12