Question

x^2- 2x-3 =0 या वर्गसमीकरणासाठी विवेचकाची किंमत काढा​

Answer 1

${x}^{2} - 2x - 3 = 0 \\ \\ = > {x}^{2} - 3x + x - 3 = 0 \\ \\ = > x(x - 3) + 1(x - 3) = 0 \\ \\ = > (x - 3)(x + 1) = 0$

Required values of x : 3 and -1 ✔✔