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Start with the given equation.
Notice that the quadratic
is in the form of
where
,
, and
Let's use the quadratic formula to solve for "y":
Start with the quadratic formula
Plug in
,
, and
Negate
to get
.
Square
to get
.
Multiply
to get
Rewrite
as
Add
to
to get
Multiply
and
to get
.
Take the square root of
to get
.
or
Break up the expression.
or
Combine like terms.
or
Simplify.
So the solutions are
or
(