Joy is training for a triathlon. She runs a distance of 2x miles, cycles a distance of (x^2 + 7) miles, and swims a distance of (x − 2) miles. Which simplified expression is equivalent to the total distance, in miles, Joy covers?

x^2 + 3x + 5
x^2 + 3x + 9
3x^2 + 5
3x^2 + 9

Question

Joy is training for a triathlon. She runs a distance of 2x miles, cycles a distance of (x^2 + 7) miles, and swims a distance of (x − 2) miles. Which simplified expression is equivalent to the total distance, in miles, Joy covers?

x^2 + 3x + 5
 x^2 + 3x + 9
 3x^2 + 5
 3x^2 + 9

anonymous · Answer

add: combine like terms
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