(4,23х-х-0,491)•2,8=14<span>
3,23x-0,491=14:2,8
3,23x-0,491=5
3,23x=5+0,491
3,23x=5,491
x=5,491:3,23
x=1,7
========или так========
</span><span>(4,23х-х-0,491)•2,8=14
</span>(3,23x-0,491)*2,8=14
9,044x-1,3748=14
9,044x=14+1,3748
9,044x=15,3748
x=15,3748:9,044
x=1,7
25 ^ ( 3 - X ) = 1/5
( 5 ^ 2 )^ ( 3 - X ) = 5 ^ ( - 1 )
5 ^ ( 6 - 2X ) = 5 ^ ( - 1 )
6 - 2X = - 1
7 = 2X
X = 3,5
Y=x^3-3x^2+2 pfldıalgödğgsə