Question

25×2+10×+1=0 ???????????

Answer 1

25x²-10x+1=0 
∆ = b² - 4ac 
∆ = 100 - 4* 25*1 = 0 

∆ = 0 => x1 = x2 

x1 = x2 = -b/2a 
x1 = x2 = 10/50 = 1/5 = 0,2

Answer 2

25x²-10x+1=0 ∆ = b² - 4ac ∆ = 100 - 4* 25*1 = 0 ∆ = 0 => x1 = x2 x1 = x2 = -b/2a x1 = x2 = 10/50 = 1/5 = 0,2