Question

after this what to do.??? any one answer ​

Answer 1

u 2=16

u=+-4

that's all..

hope I'm correct

Answer 2

AFTER THIS TAKE -16 TO RIGHT SIDE SO THAT IT WILL BECOME :

X²=16

NOW, SQUARE IS CHANGED INTO SQUARE ROOT.

HENCE,X=√16

WE KNOW THAT, √16=4.

HENCE, VALUE OF X IS 4.