Answer:
15x + 10
Explanation:
distribute the 3x to the 2/x and 5 inside the parentheses:
3x(2/x) + 3x(5) + 4
multiply:
6x/x + 15x +4
There is x in the numerator and the denominator of 6x/x, so the xs cancel:
6 + 15x + 4
15x+10
3x (2/x + 5) +4
Distribute the 3x
3x*2/x + 3x*5 +4
6+15x+4
Combine like terms
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