Question

Factor the expression 16x^2-72xy+81y^2 into a product of binomials.

Answer 1

(4x-9y)^2 right ?

Answer 2

hold on let me check.

Answer 3

whenever you see a perfect square on the first and last term, you want to check if the trinomial falls under the category of

\[a^2 + 2ab + b^2\]

Answer 4

ok