cristabean87
contestada

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:

Respuesta :

Answer:

The values of x are +8 and -8

Step-by-step explanation:

1. The given equation is :

[tex]3x^2 - 192 = 0[/tex]

We need to find the value of x.

It can be done as follows :

[tex]x^2=\dfrac{192}{3}\\\\x^2=64\\\\x=\pm 8[/tex]

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

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