Resposta :
2 • x^2 = 5x - 3
2x^2 = 5x - 3
2x^2 - 5x + 3 = 0
X = - (-5) +- V(-5)^2 - 4 • 2 • 3/2 • 2
X = 5 +- V25 - 24/4
X = 5 +- 1/4
X1 = 5 + 1/4
X1 = 6/4
X2 = 5 - 1/4
X2 = 1
S = {6/4 , 1}
2x^2 = 5x - 3
2x^2 - 5x + 3 = 0
X = - (-5) +- V(-5)^2 - 4 • 2 • 3/2 • 2
X = 5 +- V25 - 24/4
X = 5 +- 1/4
X1 = 5 + 1/4
X1 = 6/4
X2 = 5 - 1/4
X2 = 1
S = {6/4 , 1}