1) x2+2x+1 a) (x+1)2 b) (12-x)(12+x) c) (8-2x)2 d) (5+2y)(5-2y) 2) x2+4x+4 a) (x-4)2 b) (4+x)2 c) (5+2y)(5-2y) d) (x+2)2 3) x2+6x+9 a) (2x+3y)2 b) (x-3)2 c) (x+1)2 d) (3+x)2 4) x2+8x+16 a) (4+x)2 b) (3+2x)2 c) (2-x)2 d) (x+1)2 5) 9x2+24x+16 a) (4+3x)2 b) (4+x)2 c) (12-x)(12+x) d) (1-x)2 6) 4x2+12x+9 a) (3x2+5y3)(3x2-5y3) b) (3+2x)2 c) (x-3)2 d) (2-x)2 7) 4x2+12xy+9y2 a) (2x+3y)2 b) (x+2)2 c) (x-4)2 d) (1-x)2 8) 1-2x+x2 a) (3+x)2 b) (1-x)2 c) (4+x)2 d) (5-3x)2 9) 4-4x+x2 a) (6y-7x)(6y+7x) b) (4+3x)2 c) (x-4)2 d) (2-x)2 10) x2-6x+9 a) (2x+3y)2 b) (12-x)(12+x) c) (5y+2x)(5y-2x) d) (x-3)2 11) x2-8x+16 a) (x-4)2 b) (2x+3y)2 c) (3+x)2 d) (11+x)(11-x) 12) 64-32x+4x2 a) (8-2x)2 b) (6y-7x)(6y+7x) c) (4+x)2 d) (4x-3y)2 13) 25-30x+9x2 a) (5-3x)2 b) (2x+3y)2 c) (2-x)2 d) (x+2)2 14) 16x2-24xy+9y2 a) (4x-3y)2 b) (3x2+5y3)(3x2-5y3) c) (8-2x)2 d) (5+2y)(5-2y) 15) 121-x2 a) (5-3x)2 b) (3+x)2 c) (11+x)(11-x) d) (8-2x)2 16) 144-x2 a) (x-4)2 b) (5-3x)2 c) (3+x)2 d) (12-x)(12+x) 17) 25-4y2 a) (5+2y)(5-2y) b) (4+x)2 c) (4x-3y)2 d) (12-x)(12+x) 18) 36y2-49x2 a) (x-4)2 b) (12-x)(12+x) c) (2-x)2 d) (6y-7x)(6y+7x) 19) 25y2-4x2 a) (6y-7x)(6y+7x) b) (3x2+5y3)(3x2-5y3) c) (x-4)2 d) (5y+2x)(5y-2x) 20) 9x4-25y6 a) (x-3)2 b) (3x2+5y3)(3x2-5y3) c) (1-x)2 d) (5y+2x)(5y-2x)

Szorzattá alakítás (kvíz-20)

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