Final answer:
To factor the expression 15/4 + 3/8x, find a common denominator and combine the fractions.
Step-by-step explanation:
To factor the expression 15/4 + 3/8x, we need to find a common denominator and combine the fractions.
The common denominator is 8x. So, we need to convert 15/4 to an equivalent fraction with a denominator of 8x. To do this, we multiply the numerator and denominator of 15/4 by 2x.
The expression 15/4 becomes 30x/8x.
Now, we can combine the fractions: 30x/8x + 3/8x = (30x + 3)/8x.