Question:

Simplify: \[ 343x5 - \sqrt{49x3} \]

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When simplifying algebraic expressions with square roots, break them down into factors and combine like terms.
Updated On: Sep 30, 2025
  • \( 7x \)
  • \( x7 - \sqrt{7} \)
  • \( 7x - \sqrt{7} \)
  • \( 7x \)
  • \( x7 \)
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The Correct Option is A

Solution and Explanation

Step 1: Simplify the terms. The expression involves simplifying \( 343 \times x^5 \) and \( \sqrt{49x^3} \). First, simplify the square root term: \[ \sqrt{49x^3} = 7x^{3/2}. \]
Step 2: Combine the expressions. Now, combine both terms: \[ 343x^5 - 7x^{3/2}. \] The simplified form is closest to \( 7x \), which corresponds to option (A).
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