Respuesta:
= x² -7x -30
Explicación paso a paso:
(x-10)(x+3)
x(x+3)-10(x+3)
x²+3x -10x -30
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Respuesta:
= x² -7x -30
Explicación paso a paso:
(x-10)(x+3)
x(x+3)-10(x+3)
x²+3x -10x -30
= x² -7x -30