Question

alguém pra me ajudar nessa questão?

Answer 1

Bhaskara

a = 3
b = -5
c = -2


x = -(-5) ± √(-5)² - 4.3.(-2)/2.3

x = 5 ± √25 + 24/6

x = 5 ± √49/6

x = 5 ± 7/6

x' = 5 - 7/6 = -2/6 = -1/3

x" = 5 + 7/6 = 12/6 = 2



S={ -1/3, 2 }

Answer 2

$\frac{5+- \sqrt{25-4.(-6)} }{6}$
$\frac{5+- \sqrt{25-24} }{6}$
$\frac{5+- \sqrt{1} }{6}$
$\frac{5+1}{6} = \frac{6}{6} = 1$
$\frac{5-1}{6} = \frac{4}{6} = 0,666...$