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What is the simplified form of \\((7x-2)-(3x+5)\\)?

Answer and explanation

Correct answer: \(4x-7\)

Distribute the minus sign before the second bracket to both of its terms: \\(7x-2-3x-5\\). Combining like terms gives \\(7x-3x-2-5=4x-7\\), so option A is correct. Option B results from handling the constant terms incorrectly. Exam tip: when a bracket is preceded by a minus sign, change the sign of every term inside that bracket.

Related tags

PolynomialsAlgebraic ExpressionsBracket OperationsLike TermsSubtractionOperations On Real Numbers And The Laws Of ExponentsMathematicsClass 10 Mcq

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