D=b^2-4ac
9х^2-4х-2=0
D=(-4)^2-4*(9*(-2))=16+72=88
ответ:88
9x^2 - 4x - 2 = 0
a = 9, b = -4, c = -2D = b^2 - 4acD = (-4)^2 - 4 * 9 * (-2) = 16 + 72 = 88
ответ: D = 88 .
D=b^2-4ac
9х^2-4х-2=0
D=(-4)^2-4*(9*(-2))=16+72=88
ответ:88
9x^2 - 4x - 2 = 0
a = 9, b = -4, c = -2
D = b^2 - 4ac
D = (-4)^2 - 4 * 9 * (-2) = 16 + 72 = 88
ответ: D = 88 .