What is expand (-9-7sqrt(7))(6+7sqrt(10)) ?

The solution to expand (-9-7sqrt(7))(6+7sqrt(10)) is -54-63sqrt(10)-42sqrt(7)-49sqrt(70)

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expand (-9-7sqrt(7))(6+7sqrt(10))

expand

(- 9 - 77) (6 + 710)

- 54 - 6310 - 427 - 4970

Decimal Notation

- 774.30846 \dots

Solution steps

(- 9 - 77) (6 + 710)

Apply FOIL method

(- 9 - 77) (6 + 710) : - 54 - 6310 - 427 - 4970

= - 54 - 6310 - 427 - 4970

(1 - x^{2}) sin (\frac{x}{1 - x ^{2}})

2 (5 - 7)

(x + 10) e^{2} x

\frac{( e ^{x} + 3 e ^{- 3 x} )}{( e ^{x} - e ^{- 3 x} ) ^{3}}

\frac{6 x ^{2} + 50}{( x ^{2} + 4 ) \cdot ( x + 3 )}

What is expand (-9-7sqrt(7))(6+7sqrt(10)) ?
The solution to expand (-9-7sqrt(7))(6+7sqrt(10)) is -54-63sqrt(10)-42sqrt(7)-49sqrt(70)