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What is the simplified form of (9-(2x-3)+4(x-1))?

Answer and explanation

Correct answer: \(2x+8\)

In the expression, \(-(2x-3)=-2x+3\) and \(4(x-1)=4x-4\). Therefore, \(9-2x+3+4x-4=2x+8\). Hence, the correct simplified form is \(2x+8\). The option \(6x+8\) can result from incorrectly taking \(-2x\) as \(+2x\). Exam tip: when a minus sign precedes brackets, change the sign of every term inside them.

Related tags

Algebraic ExpressionsSimplifying ExpressionsDistributive PropertySign RulesPolynomialsIntroduction To PolynomialsMathematicsClass 9 Mcq

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