Question

quadratic formula 2x²+8x-10=0​

Answer 1

Alpha=1

Beta=-5

Step-by-step explanation:

D=b²-4ac

D=8²-4x2x-10

=64+80

=144

Alpha= -b+√d/2a

= -8+12/2*2

= +4/4

Alpha=1

beta= -b-√d/2a

=-8-√144/2*2

= -8-12/4

= -20/4

= -5