Factor the expression as the product of two binomials

5ax² - 2bx² - 15ay + 6by

 

Factor an x² out of the first two terms, and factor a -3y out of the second two terms.

x²(5a - 2b) - 3y(5a - 2b)

 

Factor (5a - 2b) out of these two terms.

(5a - 2b)(x² - 3y)