Question Grade: Education Subject: mathematiques Bonsoir,Il faut factoriser 49x²-9Merci Asked by: USER8174 52 Viewed 52 Answers Answer (52) USER2654 Best Answer (240) Bonsoir,Factoriser := 49x²-9= 7²x²-9= 7²x²-3²= (7x)²-3²↳ Identité remarquable : a²-b² = (a-b)(a+b)= (7x-3)(7x+3)Bonne soirée. View other answers (52) Related Articles Alcatuieste si scrie pe linii o problema dupa exercitiul.......540kg-(145kg+187kg)........dau coroana si 50 de puncte 1 September 2025 117 views 117 comments Emil a avut 8 pliculete cu cate 6 carlige de pescuit.El da celor doi prieteni cate doua pachete cu carlige.Cate carlige i-au mai ramas lui Emil?(doua moduri)...va rog! 1 September 2025 160 views 167 comments Complete the solution of the equation. Find the value of y when x equals to 9. 3x +4y=43 1 September 2025 88 views 88 comments Determinati suma numerelor naturale a si b ,stiind ca 1,12=a/50 di 4,24=b/25 1 September 2025 76 views 76 comments sa se rezolve in Q ecuatiile:a) x+3/2=1/4; 3/4x+2=1/3x; 7/6-4x=3 1/2 1 September 2025 68 views 68 comments Sens opus cuvântului egoist darnic util 1 September 2025 39 views 39 comments What is andbella.site? 1 September 2025 22 views 22 comments Can develop when tobacco users feel emotionally and mentally uncomfortable eithout tobacco 1 September 2025 90 views 90 comments Descrie o pisica folosind cît mai multe epitete Dau coroana va roggg... 1 September 2025 77 views 77 comments merci pour votre aide svpon tire au hasard une carte dans un jeu de 52 cartes.on considère les événements suivants: D: tire une dame. C: tire un coeur. N: tirer une carte noire. F: tirer une figure c'est à dire un valet, une dame ou un roi.calculer la probabilité des événements suivants: a)D b)C c)N d)F e)D f) FnN g) C u F 27 Agustus 2025 160 views 379 comments Bonsoir a tous j'ai besoin de votre aide en toutes urgence svp! On donne a=-2 b=-3 et c=5 calcule en detaillant R= ab× (-2) S=(b-c)×a T=bc:(-a) 25 Agustus 2025 143 views 143 comments compune o problema in baza expresiei numerice : 74,8:2-10,2*3 29 Agustus 2025 61 views 61 comments Question 8: Is Cloudflare Protection always effective against all threats? 27 Agustus 2025 75 views 75 comments Care sunt Multimile irationale (I) si Multimile reale (R) 26 Agustus 2025 57 views 57 comments