(a+5)(a-5)+16=(a-3)(a-3).... Question from @gianellita112

July 2023 1 8 Report

(a+5)(a-5)+16=(a-3)(a-3)

calozanoe152

Respuesta:

ojala y te sirva

Explicación paso a paso:

[tex] {a}^{2} - 25 + 16 = {a}^{2} - 6a + 9[/tex]

[tex] - 9 = - 6a + 9[/tex]

[tex]6a = 9 + 9[/tex]

[tex]6a = 18[/tex]

[tex]a = \frac{18}{6} = 3[/tex]

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