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                                        28 FLETORE PUNE MATEMATIKA 91 Thjeshtoni thyesat:a) 1624xy; b) 4xy24x2y; c) 5m2n 25 mn ;d) 10mx15nx; e) 4x2y2 5xy2 ; f) 14x2y2z35xy2z.2 Verifikoni saktësinë e barazimeve:a) x – 4 m – 5 = 2 – x 2 – m; b) x(x – 1)(x – 2) = –x(x + 1)(x – 2);c) 3(a – b)(a + b) = –3(b – a)(b + a); d) 2a – 2bx – 1 = 2(a – b)x – 1 .3 Pasi të bëni faktorizimet e duhura, thjeshtoni thyesat:a) x + x23x + 3 ; b) y2 – y4y – y2 ; c) x + x2x2 – 1 ; d) m2 – n2(m – n)2;e) 5a2 – 5ab 5(a – b)2 ; f) x3 + 1 x2 – 1 ; g) 6x2 – 6y29x3 – 9y3; h) a4 – b4a3 + b3 .4 Vërtetoni se vlera e thyesës mx + 2m – 6 – 3x2mx – m – 6x + 3 nuk varet nga m.5 Vërtetoni se vlera e thyesës 2ax + 6bx + a + 3b6ax + 2bx + 3a – b nuk varet nga x.6 Vërtetoni identitetet:a) xy + y – x – 1y2 – 1 = x + 1y + 1 ; b) 3x – 2a + 3x – 6ax – 2a – 3x + 6 = a + 3a – 3 ;c) x3y + 2x2y2 + xy3x3y – xy3 = x + yx – y; d) 4a2 + 4ab + b212a2 – 3b2 = 2a + b6a – 3b.7 Thjeshtoni thyesat:a) 9a2b – 9ab236a – 36b ; b) a2x – ax2a – x; c) 8a2 – 2b28a2 – 8ab + 2b2 .3.2 Thjeshtimi i thyesave racionale

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