Решите уравнение
(5х^2-3)-(2х+5)=5х^2
х^2-(х+1)-(х^2-7х+32)=3
(y^3+3y-8)-(5y-y^3+7)=2y^3-2y-15

5х^2-3-2х-5=5х^23-2х-5 = 03 - 2х = 52х = -2х = -1.х^2-(х+1)-(х^2-7х+32)=3х^2-х-1-х^2+7х-32=3-х-1+7х=356х = 36х = 6(у^3+3у-8)-(5у-у^3+7)=2у^3-2у-15у^3+3у-8-5у+у^3-7=2у^3-2у-152у^3-2у-15 = 2у^3-2у-15ответ: много корней

5x^2-3-2x-5=5x^25x^2-2x-5x^2=3+5-2x=8x=8:(-2)x=-4