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Y la b no me la se
x^2 - 1 =35
x^2 = 36
x=6
b) (x)^2 + (x+1)^2 = 1105
x^2+x^2+2x+1=1105
2x^2 + 2x + 1 - 1105 = 0
x= -24
x+1 = -23