Réponse :
Explications étape par étape :
3x+5x = 8x
6y-9y=-3y
3x+4-x+2
2x+6
2×x+4×x
2x+4x
=6x
5×x×x-2×x
5x²-2x
3×(2×x+5×x-y)
=3(2x+5x-y)
=3(7x-y)
=21x-3y
3×x×2×x
5×x-3+4×x×x
=5x-3 +4x²
=4x²+5x-3
6+3x^2+4x^2-2
=7x²+4
4y×5y
=20y²
6x^2+3-10x^2+3x-5
= -4x²+3x-2
Copyright © 2024 ELIBRARY.TIPS - All rights reserved.
Lista de comentários
Verified answer
Réponse :
bonjour
Explications étape par étape :
3x+5x = 8x
6y-9y=-3y
3x+4-x+2
2x+6
2×x+4×x
2x+4x
=6x
5×x×x-2×x
5x²-2x
3×(2×x+5×x-y)
=3(2x+5x-y)
=3(7x-y)
=21x-3y
3×x×2×x
5×x-3+4×x×x
=5x-3 +4x²
=4x²+5x-3
6+3x^2+4x^2-2
=7x²+4
4y×5y
=20y²
6x^2+3-10x^2+3x-5
= -4x²+3x-2