Question

solve by formula methods x²+6x-8=0​

Answer 1

Step-by-step explanation:

D= b²-4ac

D= 6²-4×1×(-8)

D= 36+32

D= 68

√D=√68

√D= 2√17

m= (-b+√D)/2a

m= (-6+2√17)/2

m= -3+2√17

n= (-b-√D)/2a

n= (-6-2√17)2

n= -3-√17

#666