Which of the following reveals the minimum value for the equation 3x2 + 18x + 15 = 0?

a)3(x + 3)2 = 6
b)3(x + 9)2 = 12
c)3(x + 3)2 = 12
d)3(x + 9)2 = 228

Should be C

I took the test

Step-by-step explanation:

answer: 38.47 is your answer

step-by-step explanation: hope i you and who ever sees this answer have a great rest of your day : )

it's equivalent, so we can say that its equal.

let's call the denominator x and the numerador is 18 less then denominator, x - 18.

multiply

2.x = 5.(x - 18)

2x = 5x - 90

90 = 5x - 2x

90 = 3x

x = 90/3

x = 30

so: