Question

$5x^{2} -3x-2=0$ (achar a= b= c=,delta,bhaskara. (pra agora)

Answer 1

a=5

b=-3

c=-2

delta=b^2 -4a.c

delta=9-4.5.(-2)

delta=49

x=3 +ou- 7

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2. a

x'=1

x"=-4/10