Question

(Sq rt 4x+3) = -2 please help
show all work

Answer 1

start by raising both sides to the 2nd power this will clear the radical and then you solve for x like normal

Answer 2

need all steps please, did that and got wrong answer.

Answer 3

No solution
the sqrt of a number must be positive

Answer 4

answer should be "null"

Answer 5

sq -2= positive 4?! where am i going wrong?

Answer 6

raise the -2 to the 2nd power and you get 4

Answer 7

i have the following: 4x+3=4 , 4x= 1, x= 1/3

Answer 8

now the radical is removed from the other side because you did that also imaginarly

Answer 9

1/4 th, sorry.. not 1/3

Answer 10

that is correct
so x = 1/4 could be a solution
however sqrt(4) does not equal -2

Answer 11

so, if I get an answer.. how is it a null? like the book answer says?

Answer 12

by plugging it back into original equation and check if equality holds
if it doesn't then its no solution or "null"

Answer 13

ohh, right.. i forgot that ty , ty