Question

Factor the following polynomial completely 21x ^ 5 * y ^ 4 - 18x ^ 7 * y ^ 3 + 15x ^ 2 * y ^ 5

Answer 1

Answer:

$21x^5y^4-18x^7y^3+15x^2y^5\\3x^2y^3(7x^3y-6x^5+5y^2)$