Question

what will be the solution for equation 6x-2xsquare + 7
​

Answer 1

Step-by-step explanation:

$- 2 {x}^{2} + 6x + 7 = 0 \\ 2 {x}^{2} - 6x - 7 = 0$

$d = {b}^{2} - 4ac \\ d = 36 - (4 \times 2 \times 7) \\ d = - 20 \\ x = \frac{ - b + - \sqrt{d} }{2a} \\ x = \frac{6 + - 4.47i}{4}$