........................................
= (а^1/2+в^1/3)^6 = а^(1/2*6)+в^(1/3*6) = а^3+в^2
1)3000+400+50+6
2)40
3)200000+30000+400+50
4)4000000+5000+200
(Х+8)(7х+5)=(Х+8)(5х+7)
7x^2+5x+56x+40=5x^2+7x+40x+56
2x^2+14x-16=0/:2
X^2+7x-8=0
D=49-4*1*(-8)=81
X1=-7+9/2=1
X2=-7-9/2=-8