Question

(5 -2x) (5 + 2x) (25 + 4z2) simply as expansion​

Answer 1

( 5 - 2x ) ( 5 + 2x ) ( 25 + 4x² )

solution

( 25 - 4x² ) ( 25 + 4x² )

625 - ( 4x² ) ²

625 - 4² ( x² ) ²

625 - 4²x⁴