Question

2
$2 {x}^{2} = - 5 - 7x$

Answer 1

2x²+7x+5=0
-b±√b²-4ac
-7±√49-4·2·5
-7±√49-40
-7±√9
-7±3
x'= -7+3
x'= -4
x''= -7-3
x''= -10