YUNKNOWY YUNKNOWY Mathématiques Answered devloper et utitlisant les l'identitè remarquable:G=(5x+6)(5x-6) H = (4 - 8x) J = (3 + x)(x-3) K = (2+ 9x)f (7x + 5)i (3 + 4x)(3 + 4x) L=(11x-12)