Pomocy!! (3c+4d)*(3c+4d)+(4c-3d)*(4c-3d)= (10-x)-(10+x)= (5u-2w)(2w+5w) 2(x-y)(x+y)-3(2x-y)*(2x-y) 5(x-2)-(x-3)x+x(x-8) -2x(3-x)-(2x*2x-6x+3) Proszę o pomoc

(3c+4d)*(3c+4d)+(4c-3d)*(4c-3d)=9c²+12cd+12cd+16d²+16c²-12cd-12cd+9d² =25c²+25d² (10-x)-(10+x)=10-x-10-x=-2x (5u-2w)(2w+5w)=10uw+25uw-4w²-10w²=35uw-14w² 2(x-y)(x+y)-3(2x-y)*(2x-y)=2(x²+xy-xy-y²)-3(4x²-2xy-2xy+y²) =2(x²+y²)-3(4x²+y²)=2x²+2y²-12x²-3y²=-10x²-y² 5(x-2)-(x-3)x+x(x-8)=5x-10-x²+3x+x²+8x=16x-10 -2x(3-x)-(2x*2x-6x+3)=-6x+2x²-(4x²-6x+3)=-6x+2x-4x²+6x-3=2x-4x²-3