Question

25 - bracket open 16 X square + 9 + 24 x y bracket close ​

Answer 1

Step-by-step explanation:

25-(16x^2+9y^2+24xy)

5^2-{(4x)^2+(3y)^2*4x*3y)}

5^2-(4x+3y)^2

(5+4x+3y)(5-4x-3y)