Question

Solve the using formula x square -2x-3=0​

Answer 1

☆ Solution

THE QUADRATIC FORMULA The roots of the quadratic equation ax* +bx+c = 0,

the constant to the right side, giving 2. b C - - X* + - X=-- Divide by a CI CI 2. ... Add II -- Cl 2a Cl 2a 2a b \*-4ac+b" x +, ) = - Perfect square 2a 4a Vb... + 9 = 0 (c) x* + 2x + 2 = 0 SOLUTION (a) In this quadratic equation a = 3, b = -5,