возведите в квадрат
1) (х + 5)^2
2) (3у - х )^2
3) ( 4 - х )^2
4) ( 6х + 2)^2
1) (х + 5)^2
2) (3у - х )^2
3) ( 4 - х )^2
4) ( 6х + 2)^2
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Verified answer
1) (х + 5)^2=x^2+10x+252) (3у - х )^2=9y^2-6xy+x^2
3) ( 4 - х )^2=16-8x+x^2
4) ( 6х + 2)^2=36x^2+24x+4
(x+5)^2=x^2+10x+25
2.
(3y-x)^2=9y^2-6xy+x^2
3.
(4-x)^2=16-8x+x^2
4.
(6x+2)^2=36x^2+24x+4