Bonsoir,
A = -5 (8x - 3) + 9 - 2x + 6(7x – 4)
= -40x +15 +9 -2x +42x -24
= 2x
B = 2 + 4 (2x – 1) – 3x (4x – 7) – (5 – 7x²) -2
2+ 8x -4 -12x² +21x -5 +7x² -2
= -5x² +29x -11
Copyright © 2024 ELIBRARY.TIPS - All rights reserved.
Lista de comentários
Bonsoir,
A = -5 (8x - 3) + 9 - 2x + 6(7x – 4)
= -40x +15 +9 -2x +42x -24
= 2x
B = 2 + 4 (2x – 1) – 3x (4x – 7) – (5 – 7x²) -2
2+ 8x -4 -12x² +21x -5 +7x² -2
= -5x² +29x -11