Question

If (x + 3), (x - 9), (x - 3) are three numbers in proportion, then x = how much?​

Answer 1

Answer:

x+3*x-9*x-3

x*x*3+9*x-3

x*x*x+12+3

3x*15

x=15/3

x=5

Step-by-step explanation:

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Answer 2

Answer:

x=5

Step-by-step explanation:

(x+3)(x-9) (x-3)

(x+x+x)(3+9+3)

3x*15

x=15/3

x=5