Answer:
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
