What is expand 3*(9+7sqrt(5))^7 ?

The solution to expand 3*(9+7sqrt(5))^7 is 8299841472+3712575552sqrt(5)

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expand 3*(9+7sqrt(5))^7

expand

3 \cdot (9 + 75)^{7}

8299841472 + 37125755525

Decimal Notation

16601412777.875805

Solution steps

3 (9 + 75)^{7}

Expand

(9 + 75)^{7} : 4782969 + 260406095 + 303807105 + 3938240255 + 1531537875 + 7147176755 + 926485875 + 1029428755

= 3 (4782969 + 260406095 + 303807105 + 3938240255 + 1531537875 + 7147176755 + 926485875 + 1029428755)

Distribute parentheses

= 3 \cdot 4782969 + 3 \cdot 260406095 + 3 \cdot 303807105 + 3 \cdot 3938240255 + 3 \cdot 1531537875 + 3 \cdot 7147176755 + 3 \cdot 926485875 + 3 \cdot 1029428755

3 \cdot 4782969 + 3 \cdot 260406095 + 3 \cdot 303807105 + 3 \cdot 3938240255 + 3 \cdot 1531537875 + 3 \cdot 7147176755 + 3 \cdot 926485875 + 3 \cdot 1029428755 = 8299841472 + 37125755525

= 8299841472 + 37125755525

\frac{( 24 x - 7 y ) ^{2}}{625}

\frac{3 s ^{3} + s ^{2} - 3 s + 6}{s ^{2} ( s ^{2} + 16 )}

\frac{1}{16} (- 4 e^{- 4 x} x - e^{- 4 x}) - x

\frac{2 ( x - y )}{x ^{2}}

(x + \frac{5}{y}) \cdot (x - \frac{7}{y})

What is expand 3*(9+7sqrt(5))^7 ?
The solution to expand 3*(9+7sqrt(5))^7 is 8299841472+3712575552sqrt(5)