Question

simplify √45-3√20+4√5​

Answer 1

Answer:

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5/ (3) sqrt(5) + sqrt (3)

5/(3√5+√3)

multiply top and bottom by the conjugate of the denominator=(3√5-√3)

5(3√5-√3)/(3√5+√3)(3√5-√3)

(15√5-5√3)/(45-3)

(15√5-5√3)/(42)

Step-by-step explanation:

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