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Question
Find and correct the errors in the statement: 4(x − 5) = 4x − 5
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Solution
L.H.S. = 4(x − 5) = 4 × x − 4 × 5 = 4x − 20 ≠ R.H.S.
The correct statement is 4(x − 5) = 4x − 20
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– 3p2 + 4p – 7 = – (3p2 + 4p – 7)
