Question

Solve by completing square method
3x^2-5x-8=0

Answer 1

Answer:

x = 1

x = - 2.667

Step-by-step explanation:

As per the question,

We have been provided the quadratic equation,

Let a quadratic equation be

The formula for roots is given by

Now,

From the given equation, we have

a = 3

b = 5

c = -8

Therefore,

On solving, we get two values of x

∴ x = 1

And

Hence, the required root is 1 and - 2.667