WZORY SKRÓCONEGO MNOZENIA
Transkrypt
WZORY SKRÓCONEGO MNOZENIA
WZORY SKRÓCONEGO MNOŻENIA 2 2 2 a2-2ab+b2=(a-b)2 a +2ab+b = (a+b) x2+2x+1=(x+1) 2 x2+4x+4=(x+2) 2 x2+6x+9=(x+3) 2 x2+8x+16=(x+3) 2 x2+10x+25=(x+5) 2 x2+12x+36=(x+6) 2 x2+14x+49=(x+7) 2 4x2+4x+1=(2x+1) 2 4x2+8x+4=(2x+2) 2 9x2+6x+1=(3x+1) 2 x2-2x+1=(x-1) 2 x2-4x+4=(x-2) 2 x2-6x+9=(x-3) 2 x2-8x+16=(x-4) 2 x2-10x+25=(x-5) 2 x2-12x+36=(x-6) 2 x2-14x+49=(x-7) 2 4x2-4x+1=(2x-1) 2 4x2-8x+4=(2x-2) 2 9x2-6x+1=(3x-1) 2 a3 b3 a b a 2 ab b2 x 3 1 x 3 13 x 1 x 2 x 1 x 8 x 2 x 2 x 2 x 4 3 3 a2-b2=(a-b)(a+b) 3 2 x2-1=(x-1)(x+1) x2-4=(x-2)(x+2) x2-9=(x-3)(x+3) x2-16=(x-4)(x+4) x2-25=(x-5)(x+5) x2-36=(x-6)(x+6) x2-49=(x-7)(x+7) 4x2-1=(2x-1)(2x+1) 4x2-4=(2x-2)(2x+2) 4x2-9=(2x-3)(2x+3) 64 x 4 x 4 x 4 x 16 125 x 5 x 5 x 5x 25 x 27 x 3 x 3 x 3x 9 3 x x3 3 3 3 2 3 3 2 3 3 2 2 x 3 2 2 x 3 2 1 2( x 3 1) 2( x 3 13 ) 2x 1 x 2 x 1 2 x 16 2 x 2 8 2( x 8) 2( x 2 ) 2x 2 x 2 x 4 3 3 3 3 3 2 x3 54 2 x3 2 27 2( x3 27) 2( x3 33 ) 2x 3 x 2 3x 9 a3 b3 a b a 2 ab b 2 2 x 3 1 x 3 13 x 1 x 2 x 1 27 x 3 x 3 x 3x 9 64 x 4 x 4 x 4 x 16 125 x 5 x 5 x 5x 25 x 3 8 x 3 2 3 x 2 x 2 2 x 4 x3 x3 x3 3 3 2 3 3 2 3 3 2 2 x3 2 2 x3 2 1 2( x3 1) 2( x3 13 ) 2x 1 x 2 x 1 2 x3 16 2 x3 2 8 2( x3 8) 2( x3 23 ) 2x 2 x 2 2 x 4 2 x3 54 2 x3 2 27 2( x3 27) 2( x3 33 ) 2x 3 x 2 3x 9 a b3 a3 3a2b 3ab2 b3 x 13 x3 3 x2 1 3 x 12 13 = x 3 + 3x 2 + 3x + 1 x 23 x3 3 x2 2 3 x 22 23 = x 3 + 6x 2 + 12x + 8 x 33 x3 3 x2 3 3 x 32 33 = x 3 + 9x 2 + 27x + 27 a b3 a3 3a2b 3ab2 b3 x 13 x3 3 x2 1 3 x 12 13 = x 3 - 3x 2 + 3x – 1 x 23 x3 3 x2 2 3 x 22 23 = x 3 - 6x 2 + 12x – 8 x 33 x3 3 x2 3 3 x 32 33 = x 3 - 9x 2 + 27x – 27