Question

FIND THE VALUE OF X IF THE ARITHMETIC MEAN OF XSQUARE , 6X ,2 IS 6​.

Answer 1

Step-by-step explanation:

(x^2+6x+2)/3=6

x^2+6x+2=18

x^2+6x-16=0

(x^2-2x)(8x-16)=0

x(x-2)+8(x-2)=0

(x-2)(x+8)=0

x=2&x=-8