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Simplify 7 sqrt 18 x^3 y^2

User Oschlueter
by
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1 Answer

4 votes

Answer: 21xy√(2)

Explanation:

1: break down the square root and simplify the factors

7√(18x³y²) = 7√(9 * 2 * x² * x * y²)

2: simplify the square root by taking the square root of perfect squares within the radical

7 * 3 * √(2 * x² * x * y²)

3: take the square root of the perfect squares under the radical

21xy√(2)

User Robjohncox
by
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