Question

fine factor of polynomial 2x²+x-1​

Answer 1

Answer:

${2x}^{2} + x - 1 \\ {2x}^{2} + 2x - x - 1 \\ 2x(x + 1) - 1(x + 1) \\ (2x - 1)(x + 1) \\ x = - 1 \\ x = \frac{1}{2}$