Justify how you can use the number of negative factors to determine the sign of the product of more than two integers

What is the yield to maturity on a simple loan for $1 million than requires a repayment of $2 million in five year time?

D. 10x is the correct answer a and c are the common factor of 30 and 20 but it’s not the greatestonly b and d are the answers since 30x^3 -20x20x only have one x and 30 have 3 xso it can only be d.10xhope this will !