We have expanded and simplified some algebraic expressions below to their simplest forms.
(i) Check each of the simplifications and see if there is a mistake.
(ii) If there is a mistake, try to explain what could have gone wrong.
(iii) Then write the correct expression.
\((4m + 7n)^{2}\)
\(= 16m^{2} + 49n^{2}\)
Answer:
(i) The simplification is .
(ii) The reason is .
(iii) \((4m + 7n)^{2}\) \(=\) .