What is (5sqrt(x)-sqrt(y))(4sqrt(x)+3sqrt(y)) ?

The solution to (5sqrt(x)-sqrt(y))(4sqrt(x)+3sqrt(y)) is 20x+11sqrt(x)sqrt(y)-3y

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simplify (5sqrt(x)-sqrt(y))(4sqrt(x)+3sqrt(y))

simplify

(5 x - y) (4 x + 3 y)

20 x + 11 x y - 3 y

Solution steps

(5 x - y) (4 x + 3 y)

Expand

(5 x - y) (4 x + 3 y) : 20 x + 15 x y - 4 y x - 3 y

= 20 x + 15 x y - 4 y x - 3 y

Add similar elements:

15 x y - 4 x y = 11 x y

= 20 x + 11 x y - 3 y

(x + 1) (1 - 3 x + 2)

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\frac{9 ( x ^{2} + 49 )}{( 16 - x ^{2} ) ^{3}}

What is (5sqrt(x)-sqrt(y))(4sqrt(x)+3sqrt(y)) ?
The solution to (5sqrt(x)-sqrt(y))(4sqrt(x)+3sqrt(y)) is 20x+11sqrt(x)sqrt(y)-3y