Question

5х2+ 4x- 60
middle term splitting ​

Answer 1

5x² +4x - 60

Here, middle term spitting can't be possible ..

D = b² -4ac

= 16 - 4(-60)(5)

= 16 +1200

= 1216

x = b² +-√D/ 2a

= 16 + 8√2/ 10.

or

16 - 8√2/10

= 8 +4√2/5. or 8- 4√2/ 5