Doprowadź do najprostszej postaci : 2xsześćian+ (4y)kwadrat-(- 7x+2y)+3(2y+x) 7ykwadrat+3y * 2y+ 4x+7- (3y-11ykwardrat) 12ykwadrat+7x+2(y-3z)+ 8kwadrat+(4y)kwadrat-(-1)y DAJE NAJ I 50PKT FAST!!!

2xsześćian+ (4y)kwadrat-(- 7x+2y)+3(2y+x)=2x³+4²y²-(-7x+2y)+3(2y+x)= =2x³+16y²+7x-2y+6y+3x=2x³+16y²+7x+4y+3x=2x³+16y²+10x+4y 7ykwadrat+3y * 2y+ 4x+7- (3y-11ykwardrat)=7y²+6y²+4x+7-(3y-11y²)= =13y²+4x+7-3y+11y²=24y²+4x+7-3y 12ykwadrat+7x+2(y-3z)+ 8kwadrat+(4y)kwadrat-(-1)y= =12y²+7x+2y-6z+64+4²y²-(-1)y=12y²+7x+2y-6z+64+16y²-(-1)y= =28y²+7x+2y-6z+64-(-y)=28y²+7x+2y-6z+64+y=28y²+7x+3y-6z+64

2x³+4y²-(-7x+2y)+3(2y+x)= 2x³+4y²+7x-2y+6y+3x= 2x³+4y²+10x+4y 7y²+3y×2y+4x+7-(3y-11y²)= 7y²+6y²+4x+7-3y+11y²= 24y²+4x+7-3y 12y²+7x+2(y-3z)+8²+4y²-(-1)y= 12y²+7x+2y-6z+64+4y²+1y= 16y²+7x+3y-6z+64