rezolvati in R ecuatia:
a)x(x+2)-(x-3)(x+3)=13
b)4x(x-1)-(2x+5)(2x-5)=1
c)(x-3)(x+4)-2(3x-2)=(x-4)la puterea adoua
d)(x+5)(x+2)-3(4X-3)=(x-5)la puterea adoua va rog tare mult
Multumesc!