Sagot :
= 2x - [4 - (96 + 54y)]
= 2x - 4 + 96 + 54y
= 2x + 54y + 92
= 2x - 4 + 96 + 54y
= 2x + 54y + 92
[tex]2x-[4-3(2^5+18y)]\\\\=2x-[4-3(32+18y)]\\\\=2x-(4-96-54y)\\\\=2x-(-92-54y)\\\\=2x+92+54y[/tex]