4 is the largest number that is common to both 32 and 44. Factoring it out looks like this: 4(8 + 11) = 4(8 + 11). That's weird to me but all textbooks begin that process just that same way.
Faye will have $1704.00 total money in her account. She earned $504.00 interest for 7 years. (She earned $144 for 2 years, divide in half $72 a year= $72×7=$504