Write the discriminant of the quadratic equation(x+52(5x3). – InterviewSolution

1.

Write the discriminant of the quadratic equation(x+52(5x3).

Answer»

For equation of the formax^2 + bx + c = 0

Discriminant = b^2 - 4ac

Then,For equation (x+5)^2 = 2(5x - 3)(x^2 + 25 + 10x) = 10x - 6x^2 + 31 = 0

Discriminant = 0 - 4*1*31= - 124

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