Question

Solve by completing the square ( need it asap pls) x2+18x+81=-4 -don’t send link-

Answer 1

Answer:

x=2.17

Step-by-step explanation:

$x^2$ +18x+81=-4

            -81  -81

$x^2$ +18x= -85

    /18       /18

$x^2$= -4.7

$\sqrt{x^2}$= $\sqrt{-4.7}$

x= 2.17

I hope this helps :) (if it does, brainliest, please??)