Question

formula de bhaskara sem delta 7x elevado ao quadrado +13x-2=0

Answer 1

7x^+13×-2=0
a=7b=13c=2
13^-4 (7)(-2)
169+56
delta =225

x1
$13 \frac{ + }{ - } \sqrt{225} \div 2(a)$
$\frac{12 + 15}{2(7)} = \frac{27}{14}$
x2
$\frac{12 - 15}{2(7)} = \frac{ - 3}{14}$