UPSKILL MATH PLUS
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Learn moreUsing the identity \((a - b)^2 = a^2 - 2ab + b^2\), simplify the following:
(i) \((3x - 5y)^2 =\)
(ii) \(47^2 =\)
Answer variants:
\(9x^2 - 30xy + 25y^2\)
\(2209\)
\(9x^2 + 30xy - 25y^2\)
\(9x^2 + 30xy + 25y^2\)
\(2029\)
\(2902\)
\(9x^2 - 30xy - 25y^2\)
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