Bonjour,
64 = 8²
4x² = (2x)²
on sait que a² - b² = (a+b)(a-b)
donc : 64 - (4x²) = 8² - (2x)²
= (8 + 2x)(8 - 2x)
Copyright © 2024 ELIBRARY.TIPS - All rights reserved.
Lista de comentários
Verified answer
Bonjour,
64 = 8²
4x² = (2x)²
on sait que a² - b² = (a+b)(a-b)
donc : 64 - (4x²) = 8² - (2x)²
= (8 + 2x)(8 - 2x)