solve x^2+2x+1=0
Let's solve in ℝ: x2 + 2x + 1 = 0
You can transform this expression into: (x + 1)2
(x + 1)2 = 0 is equivalent to: x + 1 = 0
ⓘ We subtract 1 from both sides
▶Solution found: x = -1