Question

ANSWER ASAP!!!
what is the answer?? -- please make sure your answer is correct with patience.

Answer 1

It's the last choice.

Explanation:

Difference of 2 squares:

a^2 - b^2 = (a - b)(a + b)

so the answer is (4x - 5y)(4x + 5y) ( = 16x^2 - 25y^2).