Question

Please help me

Which would be the best method to use to solve the following equations. Explain your reasoning.
Use each method only once.

Methods:

Factoring
Square root Property
Completing the Square
Quadratic Formula

1. 3x^2 - 192 = 0
Method:
Why:

2. x^2-x-6=0
Method:
Why:

3. x^2-6x-7=0
Method:
Why:

4. x^2-17x-7=0
Method:
Why:

Answer 1

The values of x are +8 and -8

Explanation:

1. The given equation is :

`3x^2 - 192 = 0`

We need to find the value of x.

It can be done as follows :

`x^2=(192)/(3)\\\\x^2=64\\\\x=\pm 8`

So, the values of x are +8 and -8.