Question

find the value of m so that the quadratic equation has two MX (5x-6) =6, has two equal roots​

Answer 1

Answer:

m=-2/3

Step-by-step explanation:

mx(5x-6)=6

mx^2-6mx=6

equal roots formula is D=0

b^2-4ac=0

b^2=4ac

(-6m)^2=4×m×-6

36m^2=-24m

36m^2/-24m=1

3m/-2=1

m=-2/3