8(х-3)^+16x=8x^-48x+72+16x=8x^-32x+72
(y-5)^-(y+7)^=y^-10y+25-y^-14y-49=-24y-59
(m-4)(m+4)+m(5-m)=m^-16+5m-m^=5m-16
(x-8)^-(x-3)(x+3)=x^-16x+64-x^-9=-16x+55
(8x-1)(8x+1)=4x(16x+1)-2
64x^-1=64x^+4x-2
64x^-64x^-4x=-2+1
4x=1
x= 1/4 или 0,25
64 x⁶ y¹⁵ = (4 x² y⁵)³ = 3³ = 27
1
а)=3х/2у
б)=5у/у(у-2)=5/(у-2)
в)=(a-b)(a+b)/3(a-b)=(a+b)/3
2
a)=(3a-2a²-2+2a²)/2a²=(3a-2)/2a²
б)=(3x-y-3x-y)/(9x²-y²)=-2y/(9x²-y²)=2y/(y²-9x²)
в)=(3b-4+3b)/b(b-2)=(6b-4)/(b²-2b)
3
=(x-6y²+6y²)/2y=x/2y=-8/0,2=-40
4
=(2x²+8x-x²-8x-x²+16)/x(x²-16)=16/)x³-16x)