Question

resolvam essa questão para mim

Answer 1

7x²+x=x²
3. 2

$\frac{14x ^{2} }{6} + \frac{3x}{6} + \frac{6 {x}^{2} }{6}$
$14x {}^{2} + 3x - 6 {x}^{2} = 0$
$8 {x}^{2} + 3x = 0$

$x(8x + 3) = 0 \\ x = 0 \\ 8x + 3 = 0 \\ 8x = - 3 \\ x = \frac{ - 3}{8}$

$S={ 0, \frac{ - 3}{8} }$