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If (p(x)=44+8x) and (q(x)=12x-8), when will (p(x)) and (q(x)) be equal?

Answer and explanation

Correct answer: \(x=13\)

For the two polynomials to be equal, \(44+8x=12x-8\). Adding 8 to both sides gives \(52+8x=12x\), and then \(52=4x\). Hence, \(x=13\). At \(x=13\), both expressions have the value 148. \(x=12\) is a close distractor, but the two values are not equal there. Exam tip: In equality questions, first equate the two expressions and collect all \(x\)-terms on one side.

Related tags

PolynomialsLinear EquationsEquality Of FunctionsSolve For XAlgebraLinear Growth And DecayIntroduction To PolynomialsMathematics

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