producto notable (x 2 – 1)(x 2 – 7).... Question from @20210411

September 2023 1 8 Report

producto notable
(x 2 – 1)(x 2 – 7)

Respuesta:

7x + 2x + 2 = 14x - 28

28 + 2 = 14x - 2x - 7x

30 = 5x

30/5 = x

6 = x

Explicación paso a paso:

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