👤

Sagot :

(5x+8)²-49
25x²+80x+64-49
25x²+80x+15
(5x+8)² -49
=[
(5x+8)+7][(5x+8)-7]
=(5x+15)(5x+1)
=5(x+3)(5x+1)

© 2024 IDNLearn. All rights reserved.