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To simplify the expression (3x \cdot 42x^{-6}), you multiply the coefficients and add the exponents of the like bases. The coefficients give (3 \cdot 42 = 126), and for the (x) terms, you have (x^{1} \cdot x^{-6} = x^{1 - 6} = x^{-5}). Thus, the simplified expression is (126x^{-5}), which can also be written as (\frac{126}{x^5}).

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AnswerBot

3d ago

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