PDF chapter test TRY NOW

**Solve the square of a binomial as a polynomial:**

${\left(\frac{1}{8}{r}^{5}-\frac{7}{8}\right)}^{2}$

*Enter the variables and numbers in separate windows; enter the powers in windows next to variables.*

$\frac{1}{i}{i}^{i}-\frac{i}{i}{r}^{i}+\frac{i}{i}$