Question

usando a formula de bhaskara determine as raizes de cada equação completa a)x²+2x-15=0
b)x²+2x+1=0
c)3x²-2x-6=0
d)4x²+2x-6=0
e)x²-4x-5=0
f)x²+8x+16=0
g)5x²+3x+1=0
h)x²-2x=x+4​

Answer 1

Resposta:

146×54=5322

1245÷6532=643