What is the factored form of the following expression?

Question

x^2 - 10xy + 21y^2

(1 point)

A. (x - 3y)(x - 7y)

B. (x + 3y)(x - 7y)

C. (x + 3y)(x + 7y)

D. (x - 3y)(x + 7y)

Answer 1

The factored form of the expression x^2 - 10xy + 21y^2 is (x - 3y)(x - 7y).
So, the correct option is A.