x²+3x-43² - 4. 1 . (-4)9+16Delta = 25x' = 3²+ V25x' = 9 + 5x' = 14/2.ax' = 7x'' = 3² - 5x'' = 9-5x'' = 4/2.ax'' = 2
x²+3x-4
ResponderExcluir3² - 4. 1 . (-4)
9+16
Delta = 25
x' = 3²+ V25
x' = 9 + 5
x' = 14/2.a
x' = 7
x'' = 3² - 5
x'' = 9-5
x'' = 4/2.a
x'' = 2