How many real solutions are there for the equation? x2 + 9x = -7

Question

solomonzelman · Answer

$\large\color{midnightblue}{ \rm  x^2 + 9x = -7   }$
$\large\color{midnightblue}{ \rm  x^2 + 9x +7= 0  }$


$\large\color{midnightblue}{ \rm  -9±\sqrt{9^2-4(1)(7)}  }$
$\large\color{midnightblue}{ \rm  \text{_________________} }$

$\large\color{midnightblue}{ \rm    2(1)}$








$\large\color{midnightblue}{ \rm  -9±\sqrt{81-28}  }$
$\large\color{midnightblue}{ \rm  \text{_________________} }$

$\large\color{midnightblue}{ \rm    2}$








$\large\color{midnightblue}{ \rm  -9±\sqrt{53}  }$
$\large\color{midnightblue}{ \rm  \text{_________________} }$

$\large\color{midnightblue}{ \rm    2}$