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What is obtained after simplifying (-3(x+4))?

Answer and explanation

Correct answer: \(-3x-12\)

Use the distributive property: multiply \(-3\) by each term inside the bracket. Thus, \((-3)\times x=-3x\) and \((-3)\times 4=-12\), so \(-3(x+4)=-3x-12\). In option B, the sign of the constant term is incorrect; multiplying \(-3\) by \(4\) gives \(-12\), not \(+12\). Exam tip: When multiplying by a negative number, check the sign of every term carefully.

Related tags

PolynomialsLinear PolynomialsDistributive PropertyAlgebraic ExpressionsSign RulesIntroduction To PolynomialsMathematicsClass 9 Mcq

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