## College Algebra (11th Edition)

$4z^{8}$ - 12$z^{4}$y + 9$y^{2}$
1. Square of a binomial $(2z^{4} - 3y)^{2}$ = $(2z^{4})^{2}$ + 2(2$z^{4}$)(-3y) + $(-3y)^{2}$ 2. Solve exponents and multiply $4z^{8}$ - 12$z^{4}$y + 9$y^{2}$