Question

4x2 + 20x + 25 = 0 me ajuda a responder essa equação do 2 grau

Answer 1

4x2 + 20x + 25 =
4x + 20x = 25 - 2
24x = 23
x = 24
------ = 0.958333...
23

Answer 2

4x²+20x+25=0 
Δ=b²-4ac
Δ=(20)²-4*4*25
Δ=400-400
Δ=0

X1/2=(-b+ou-√Δ)/2a
X1=(-20-√0)/2=-10
X2=(-20+0)/2=-10