Question

Ajutati-ma va rog mult! Rezolvati ecuatia:
(x-2)²-(x+3)²=5

Answer 1

(x-2)²-(x+3)²=5  aplic a²-b²= (a-b)(a+b)

(x-2 +x+3 ) * ((x-2 -x-3)=5
(2x+1)* (-5) =5
2x+1= 5 : (-5)
2x+1= - 1
2x= -1 - 1
2x= -2
x= -1