Question

26-Resolva as equações
b)(x-2)²-x=1

Answer 1

(x-2)²=(x-2)(x-2)= x²-4x+4

x²-4x+4-x=1

x²-5x+3=0

r1+r2=5

r1*r2=3

x1=$\frac{5+\sqrt{13} }{2}$

x2= $\frac{5-\sqrt{13} }{2}$