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Assuming 
x and 
y are both positive, write the following expression in simplest radical form.

8x^(2)sqrt(252x^(2)y^(4))
Answer:

Assuming x x and y y are both positive, write the following expression in simplest radical form.\newline8x2252x2y4 8 x^{2} \sqrt{252 x^{2} y^{4}} \newlineAnswer:

Full solution

Q. Assuming x x and y y are both positive, write the following expression in simplest radical form.\newline8x2252x2y4 8 x^{2} \sqrt{252 x^{2} y^{4}} \newlineAnswer:
  1. Factorize Number: Factor the number inside the square root to prime factors.\newlineWe need to factor 252252 to simplify the square root.\newline252=2×126252 = 2 \times 126\newline =2×2×63= 2 \times 2 \times 63\newline =2×2×7×9= 2 \times 2 \times 7 \times 9\newline =2×2×7×3×3= 2 \times 2 \times 7 \times 3 \times 3\newline =22×32×7= 2^2 \times 3^2 \times 7
  2. Simplify Square Root: Simplify the square root by taking out factors that are perfect squares. 252x2y4\sqrt{252x^{2}y^{4}} can be simplified by taking out the square factors. 22×32×7×x2×y4\sqrt{2^{2} \times 3^{2} \times 7 \times x^{2} \times y^{4}} = 2×3×x×y2×72 \times 3 \times x \times y^{2} \times \sqrt{7} = 6xy2×76xy^{2} \times \sqrt{7}
  3. Multiply Simplified Root: Multiply the simplified square root by the term outside the square root.\newlineNow we multiply 8x28x^{2} by the simplified square root from Step 22.\newline8x2×6xy2×78x^{2} \times 6xy^2 \times \sqrt{7}\newline=48x3y2×7= 48x^{3}y^2 \times \sqrt{7}

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