Question

em fórmula de bhaskara 4x elevado ao quadrado +12x= -9

Answer 1

4x+12×=-9
a=4 b=12c=9
12^-4 (4)(9)
144-144
delta =0

x1
$12 \frac{ + }{ - } \sqrt{0} \div 2(a)$
$\frac{12}{8} = \frac{6}{4} = \frac{3}{2}$
x2
$12 \frac{ + }{ - } \sqrt{0} \div 2(a)$
$\frac{12}{8} = \frac{6}{4} = \frac{3}{2}$