Question

6z^2 - 6 + 5z = 0


Can anyone kindly solve this quadratic equation of class 10?

Answer 1

Step-by-step explanation:

merko nhi pata iska answer please????,??

Answer 2

Answer:

z= 2.8 or -7.8

Step-by-step explanation:

Formula to be used,

z=[ -b+√(b^2-4ac)]/2a

Now as per question,

a= 6

b= 5

c= -6

Now by using formula,

z= [-5+√(25-4×6×{-6})]/2

z= [-5+√(25-144)]/2

z= [-5+√(-119)]/2

z= [-5+(-10.9)]/2

z = [-5+(-10.9)]/2 or z = [-5-(-10.9)]/2

z = [-15.9]/2 or z = [5.9]/2

z = -7.8 or z = 2.8