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(a2-ab)2= Tip: Utilizando leyes de los exponentes, este problema puede realizarse en 2 pasos. a4-2a4b2+a2b2 a4+2a3b-a2b2 a4-2a3b+a2b2 a4-a3b+2a2b2 (ax+xy)(ax-xy)= a2x2-x2y2 a2x2-2ax2y2-x2y2 a2x2-2ax2y-x2y2 a2x2+x2y2 (a-b+c)(a+b+c)= a2+b2+c2-2ab+2ac-2bc a2+2ac+c2-b2 a2+2ac-b2c2-bc a2-b2+c2-2ab+2ac-2bc (4x-2)(3x+2)= 12x2-2x-4 12x2+2x-4 12x2+5x-4 12x2-5x-4 (3m-2n2)3= 27m3+54m2n2-36mn4-8n6 27m3-54m3n6+36m3n4-8n6 27m3-36m2n2+54mn4-8n6 27m3-54m2n2+36mn4-8n6 (x4+1)(x2+1)(x2-1)= x8+x4-x2+1 x8-x4+3 x8+x6-x4+1 x8-1 (a-b+c-d)2= a2+b2+c2+d2-2ab+2ac-2ad-2bc+2bd-2cd a2+b2+c2+d2+2ab-2ac+2ad+2bc-2bd+2cd a2+b2+c2+d2+2ab+2ac+2ad+2bc-2bd-2cd a2+b2+c2+d2+2ab-2ac-2ad+2bc-2bd-2cd (x+y+3)(x+y-3)= x2+y2+2xy-9 x2+y2+xy+2x-3y-9 x2+y2+4xy-9 x2+y2+2xy+2x+2y-9 (x+y+z)(x+y-z)(x-y+zx-y-z)= x4+y4+z4+x2y2-x2z2-y2z2 x4+y4+z4+2x2y2-2x2z2-2y2z2 x4+y4+z4-2x2y2-2x2z2+2y2z2 x4+y4+z4-2x2y2-2x2z2+2y2z2 (u-v)3(u+v)3= u6-2u4v2+2u2v4-v6 u6-3u4v2+3u2v4-v6 u6+2u4v2+2u2v4-v6 u6-v6 |