Question

did any one know this​

Answer 1

a=5 b=8 c=2

b^2 -4ac = 8×8-4×5×2

= 64-40

= 24

Answer 2

5x2+8x+2=0

b2-4ac

8 square -4×5×2

64-40

24

x=24

please mark as brilliant