Complete the square to slove 3x^2+12x=9

Exact form:

x = ± √ 7 - 2

Decimal form:

x = 0.6457, - 4.6457

Step-by-step explanation:

3x^2+12x=9

We will use formula " (b/2) ^2 to create new term,

We will solve for x to complete the square

Exact form:

x = ± √ 7 - 2

Decimal form:

x = 0.6457, - 4.6457