# Find the value of x and if necessary, express answer in simplest radical form.

1 answer

###### Question:

Find the value of x and if necessary, express answer in simplest radical form.

## Answers

Writing and solving an equation of ratios is the way to go here. See if you can figure out why the following is correct:x+3 x----- = ------- 12 x+3Then (x+3)^2 = 12x, and x^2 + 6x + 9 = 12x, so that x^2 - 6x + 9 = 0This is the square of (x - 3). Thus, x-3 = 0, and x = 3.The value of x is 3.

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