Po każdym nawiasie jest do potęgi 2 (x-7)= (4x-8)= (2x+3)= (36-70= (14x-1)= (126-13y)= (6y-6)= (3z-6y)= (4b-4a)= (7z-8y)= (5k-5e)= (4x-9)= (5y-16x)= (z-7y)= (100-26)= (120-166)= (14z+5y)= (4x-7y)= (5y-17z)= (7z-2)=

(x-7)²=x²-14x+49 (4x-8)²=16x²-64x+64 (2x+3)²=4x²+12x+9 (36-70)²=1156 (14x-1)²=196x²-28x+1 (126-13y)²=1576-3276y+169y² (6y-6)²=36y²-72y+36 (3z-6y)²=9z²-36zy+36y² (4b-4a)²=16b²-32ab+16a² (7z-8y)²=49z²-112zy+64y² (5k-5e)²=25k²-50ke+25e² (4x-9)²=16x²-72x+81 (5y-16x)²=25y²-160xy+256x² (z-7y)²=z²-14zy+49y² (100-26)²=5476 (120-166)²=2116 (14z+5y)²=196z²+140zy+25y² (4x+7y)²=16x²-56xy+49y² (5y-17z)²=25y²-170yz+289z² (7z-2)²=49z²-28z+4

^bee oznaczać do potęgi 2 (x-7)=x^-14x+49 (4x-8)=16x^-64x+64 (2x+3)=4x^+12x+9 (36-70=? na pewno tak (14x-1)=196x^-28x+1 (126-13y)=15876-3276y+139y^ (6y-6)=36y^-12+36 (3z-6y)=9z^-36xy+36y^ (4b-4a)=16b^-16ab+16a^ (7z-8y)=49z^-56zy+64y^ (5k-5e)=25k^-50ke+25e^ (4x-9)=16x^-72x+81 (5y-16x)=25y^-160xy+256x^ (z-7y)=z^-14zy+49y^ (100-26)=10000-5200+676=5476 (120-166)=14884-3984+27556=286456 (14z+5y)=196z^+160zy+25y^ (4x-7y)=16x^-56xy+49y^ (5y-17z)=25y^-170zy+289 (7z-2)=49z^-28z+4