Question

solve by using quadratic formula 2x²+x-258=0​

Answer 1

Answer:

x = -b ± √(b²-4ac)/2a

= -1 ± √(1-4*2*-258)/2*2

x = -1 ± √2065/4

= -1 ± 45.43/4

= -1 ± 11.35