resolver e indicar la suma de raíces : (x+2)(x+5)=4(x-1)+24.... Question from @jimenaenriquebravo

September 2023 1 9 Report

resolver e indicar la suma de raíces :
(x+2)(x+5)=4(x-1)+24

luis357angel

Respuesta:

-3

Explicación paso a paso:

(x+2)(x+5)=4(x-1)+24

x^2+5x+2x+10 = 4x - 4 + 24

x^2 + 7x + 10 = 4x +20

x^2 + 3x - 10 = 0

Factorizando:

x^2 + 3x - 10 = 0

Ahora hallamos la suma de raices:

suma de raices = -3 / 1 = -3

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