Question

пжжж срочно!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answer 1

(Х-3)(х+3)^2-х(х^2-25)=23
(Х^2-9)(х+9)-х^3+25=23
Х^3+9х^2-9х-81-х^3=-2
9х^2-9х-81=-2
9х^2-9х=79
9х(х-1)=79

Answer 2

25х= 50

Answer 3

там так

Answer 4

ага