Respuesta:
x= 3 ; x= -10
Explicación paso a paso:
7 (x+5) (x-3) -5 (x+3) (x-3) = 0
2x²+14x-60= 0
x= -14+26= 3
2×2
x= -14-26= -10
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Respuesta:
x= 3 ; x= -10
Explicación paso a paso:
7 (x+5) (x-3) -5 (x+3) (x-3) = 0
2x²+14x-60= 0
x= -14+26= 3
2×2
x= -14-26= -10
2×2