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Fundamento
- 4. 12)-(7x-4)(x3-x2+6) 7x4-18x3+4x218 13)-(t22t-5)(3t2-t+2) 7x4-18x3+4x2+18 14)-(r2-8r-2)(-r2+3r-1) r4+11r3-r2-22r+2
- 5. 13)- (x+1)(2x2 -2)(x3+5) 2x6+4x3+10x2+5x 14)-(2x-1)(x2-5)(x3-1) X5+6x4-4x3-2x2-12x+11 15)- 8x2y3-10x3y / 2x2y = 4y2-5x 16)-6a3b3-9a2b2+3ab4 / 3ab2 = 2a2b-3a+b2 17)-3u3v4-2u5v2+(u2v2)2 /u3v2 = u3v2
- 6. 18) 6a3b3-9a2b2+3ab4 / 3ab2 = 2a2b-3a+b2 19) 3u3v4-2u5v2+(u2v2)2 /u3v2 = u3v2 20) 6x2yz3-xy2z / xyz =6xz-y 21) (2x+3)(2x-3y) =4x2-6xy-9y2 22) (5x+4y)(5x-4y) =25x2-16y2