## College Algebra 7th Edition

(a) (x+5)(x-5)=x$^2$-5x+5x-25=x$^2$-25 Therefore, the answer is yes. (b) Yes, you will get two terms because the formula for the product of a sum and difference of terms results in A$^2$-B$^2$ which in this case is x$^2$-a$^2$