<span>25y^2 - 1 = 0</span>
<span>25y^2=1</span>
<span>y^2=1/25</span>
<span>y=</span>
<span>y=1/5</span>
<span>(x-2)(x-3)(x-4)=(x-3)(x-4)(x-5)
</span><span>(x-2)(x-3)(x-4) - (x-3)(x-4)(x-5)=0
</span>(x-3)(x-4)(x-2-x+5)=0
(x-3)(x-4)*3=0
x-3=0 или x-4=0
x=3 x=4
7x/3-11(x+1)=-1/2x-1 5/6
<span>3x-1 \ 3 - 13-x\2=-5 1/2x-1/3
</span>x=1/4