Answer:
hello : x = -1 or x = - 11
Step-by-step explanation:
given : f(x) = 2|x + 6| – 4
solve now :
f(x) = 6
2|x + 6| – 4 = 6
add 4 : 2|x + 6| – 4 +4 = 6+4
2|x + 6| = 10
divid by 2 : |x + 6| =5
x+6 = 5 or x+6 = -5
x+6 - 6= 5 - 6 or x+6 - 6 = - 5 - 6
x = -1 or x = - 11