Question

25^2+100x+100=0
(Equação 2°grau baskára)

Answer 1

25^2+100x+100=0

x'=[-100+√(10000-10000)]/50=-2

x''=[-100-√(10000-10000)]/50=-2

Answer 2

25x^2+100x+100=0

▲=100^2-4 (25)(100)
▲=10000-10000
▲=0

x'=-2
x"=-2