You can
put this solution on YOUR website!
Subtract
Divide by 2
is the answer
How can I check to see if this is the right answer.
You can plug this value of
back into the original equation,
but first notice what you got above:
This is telling you that what you're squaring on the right is
a negative number, so The square root on the left must be the
negative square root, which, when squared gives a positive
Going back to:
This is true, one of the square roots of 9 is -3.
OK
