charlie-parker_60bea71dbcb60
charlie-parker_60bea71dbcb60
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(x^2 significa x elevado a dois) 3(x^2) = 0 x = 0 (x^2) - 49 = 0 x^2 = 49 x = +7 ou x = -7 3(x^2) -x +1 = 0 (tem que usar a fórmula de baskara) delta = 1 - 4.3.1 = 1 - 12 = 11 x = (1 + (ra…