Question

напишите квадратное уравнение с корнями -11 и 5​

Answer 1

$\displaystyle\bf\\x_{1} =-11 \ \ \ ; \ \ \ x_{2} =5\\\\\\x^{2} +px+q=0\\\\p=-(x_{1} + x_{2} )=-(-11+5)=-(-6)=6\\\\q=x_{1} \cdot x_{2} =-11\cdot 5=-55\\\\\\\boxed{x^{2} +6x-55=0}$