Question

x^2=x e 2x = x

t^2=t e 5t=5

Answer 1

Oi Lucas

x² - x = 0
x*(x - 1) = 0

x1 = 0, x2 = 0


t² - t = 0
t*(t - 1) = 0

t1 = 0, t2 = 1

5t = 5
t = 1

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