Question

3x²-4x+c=0 what is the value of c​

Answer 1

Step-by-step explanation:

⇒  The given quadratic equation is 3x2−4x+k=0, comparing it with ax2+bx+c=0

⇒  We get, x=3,b=−4,c=k

⇒  b2−4ac=64                     [ Given ]

⇒  (−4)2−4(3)(k)=64

⇒  16−12k=64

⇒  −12k=48

⇒  k=12−48

∴  k=−4