UPSKILL MATH PLUS
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Learn moreSimplify the following using the identity \((x + a)(x + b) = x^2 + x(a + b) + ab\).
(i) \((x + 3)(x + 5) =\)
(ii) \((y + 8)(y + 6) =\)
Answer variants:
\(x^2 + 8x + 15\)
\(y^2 - 14y + 48\)
\(y^2 + 14y + 48\)
\(x^2 - 8x + 15\)
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