## College Algebra (11th Edition)

$25r^{2}$ - 30rt + 9$t^{4}$
1. Square of a binomial $(5r - 3t^{2})^{2}$ = $(5r)^{2}$ + 2(5r)(-3t) + $(-3t^{2})^{2}$ 2. Solve exponents and multiply $25r^{2}$ - 30rt + 9$t^{4}$