lim (3x-1) ²= 25×-2.... Question from @castillejosvanesa2

July 2023 1 9 Report

lim (3x-1) ²= 25
×-2

alvarez082004

Respuesta:(3x-1)² =25

(3x-1)² es un binomio al cuadrado

3x²-2*3x*1+1²=25

3x²- 6x + 1 = 25

3x²- 6x = 25 - 1

3x²- 6x = 24

x= 4

compruebas

3(4²)- 6* 4= 24

3*16 -24 = 24

48 - 24 = 24

24 = 24

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