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Mozkaya46
@Mozkaya46
December 2020
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Bonjour si vous pouvez m aider je dois écrire tt ca et faire les exercices
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Dija34
Réponse:
application 4 :
A=3×(x+4) A=(3 × x)+(3×4 ) A=3x+12 B=2×(x+y) B=2x+2y. C=6(3-x) C=18-6x. D=(x+4)×5. D=5x+20. E=x(1+x) E=(x × 1)+(x × x) E=x+x^2 application 5. A=(x+3)(x+5) =(x × x)+(x × 5)+(3 × x)+(3×5) A=x^2+5x+3x+15=x^2+8x+15. B=(x-3)(4-2y)=(x ×4)-(x ×2y)-(3×4)+(3×2y)=4x-2xy-12+6y. C=(1-4a)(3+a)=(1×3)+(1×a)-(4a×3)-(4a×a)=3+a-12a-4a^2=4a^2-11a+3 D=(7y+4)(-2x-2)=(7y×-2x)-(7y×2)-(4×2x)-(4×2)= -14xy-14y-8x -8
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Réponse:
application 4 :