jvskateboard 15/09/2020 2x² + 36x = 0 : 2x² + 18x = 0x(x + 18) = 0x¹ = 0x² = 18 --> x+18 = 0 --> x= -18-18 + 18 = 0 ;)
jvskateboard
2x² + 36x = 0 : 2
x² + 18x = 0
x(x + 18) = 0
x¹ = 0
x² = 18 --> x+18 = 0 --> x= -18
-18 + 18 = 0
;)