Solve the equation the square root of the quantity x + 4 - 3 equals 1 for the variable. Show each step of your solution process.
is your equation like this? \[\sqrt {x + 4} - 3 = 1\]
yes
since we have this square root \(\sqrt {x + 4} \), then we have to request that the radical \(x+4\) has to be greater or equal than zero: \[x + 4 \geqslant 0\]
since the square root of negative numbers doesn't exists
okay thanks
solving that inequality we have: \[x \geqslant - 4\] which means that we can accept, as solutions, only those quantities which are greater or equal to -4
does the answer come out to be x=12
got one more question
yes! since we have to add 3 to both sides: \[\sqrt {x + 4} = 4\] then squaring both sides and simplifying, we get: x=12
and since 12 > -4, we can conclude that x=12 is the solution of our equation
one more question
ok!
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