Question

(x - 5)2 = (x - 3)(x + 3).​

Answer 1

Respuesta:

2x-10=x²-9

x²-9-2x+10=0

x²-2x+1=0

(-b+-√(b²)-4ac)/2a

(2+-√4-4(1)(1))/2

(2+-√4-4)/2

2+-0/2

x=1