nececito factorisar esto pero no se como me ayudan D: (3a-5)(a+4)+(3a-5) E: (8x-9)(2x-3)-(2x-3)(3x+2) F: (4y-3)^2+(4y-3)(y+1) G: (5t-4)(3t+8)-3t-8 H: (3/5x+4/3)
Mathématiques
riverosuany60
Question
nececito factorisar esto pero no se como me ayudan
D: (3a-5)(a+4)+(3a-5)
E: (8x-9)(2x-3)-(2x-3)(3x+2)
F: (4y-3)^2+(4y-3)(y+1)
G: (5t-4)(3t+8)-3t-8
H: (3/5x+4/3)(2/5x-5/3)+(3/5x+4/3)(8/3+7/5x)
I: (4/9x-5/7)(3/5x-5/4)-(7/5x+9/4)(4/9x-5/7)
D: (3a-5)(a+4)+(3a-5)
E: (8x-9)(2x-3)-(2x-3)(3x+2)
F: (4y-3)^2+(4y-3)(y+1)
G: (5t-4)(3t+8)-3t-8
H: (3/5x+4/3)(2/5x-5/3)+(3/5x+4/3)(8/3+7/5x)
I: (4/9x-5/7)(3/5x-5/4)-(7/5x+9/4)(4/9x-5/7)
1 Réponse
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1. Réponse Anonyme
D: (3a-5)(a+4)+(3a-5)
=(3a-5)(a+5)
E: (8x-9)(2x-3)-(2x-3)(3x+2)
=(2x-3)(5x-11)
F: (4y-3)^2+(4y-3)(y+1)
=(4y-3)(5y-2)
G: (5t-4)(3t+8)-3t-8
=(3t+8)(5t-5)
H: (3/5x+4/3)(2/5x-5/3)+(3/5x+4/3)(8/3+7/5x)
=(3/5x+4/3)(9/5x+1)
I: (4/9x-5/7)(3/5x-5/4)-(7/5x+9/4)(4/9x-5/7)
=(4/9x-5/7)(-4/5x-7/2)