Question:

. ( 3√5 + √3 ) * ( √5 + √3 ) =?

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OK, my brain is full so I am stuck but I got to get it figured. Can you help?

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  1. ( 3√5 + √3 ) * ( √5 + √3 )

    First distribute by multiplying everything in the first parentheses by everything in the second:

    =3√5√5 +  3√5√3 + √3√5  + √3√3

    =3*5 + 3√15 + √15 + 3

    = 18 + 4√15

You're reading: . ( 3√5 + √3 ) * ( √5 + √3 ) =?

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