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The expression is .
Simplify the expression.
(Original expression)
(Multiply and divide with the conjugate )
(Multiply)
FOIL method:
The product of two binomials is the sum of the products of the first terms, the outer terms, the inner terms and the last terms.
(Multiply)
(Substitute: )
(Add)
(Simplify)
(Simplify)
The simplified expression is .
.
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