UPSKILL MATH PLUS
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Learn moreWe 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.
\(4(x – 3) + 7(x + 8)\)
\(= 4x – 3 + 7x + 8\)
\(= 11x + 5\)
Answer:
(i) The simplification is .
(ii) The reason is .
(iii) \(4(x – 3) + 7(x + 8)\) \(=\) .
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