What is expand 2(x+y)^2-9(x+y)-5 ?

The solution to expand 2(x+y)^2-9(x+y)-5 is 2x^2+4xy+2y^2-9x-9y-5

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expand 2(x+y)^2-9(x+y)-5

expand

2 (x + y)^{2} - 9 (x + y) - 5

2 x^{2} + 4 x y + 2 y^{2} - 9 x - 9 y - 5

Solution steps

2 (x + y)^{2} - 9 (x + y) - 5

Expand

2 (x + y)^{2} : 2 x^{2} + 4 x y + 2 y^{2}

= 2 x^{2} + 4 x y + 2 y^{2} - 9 (x + y) - 5

Expand

- 9 (x + y) : - 9 x - 9 y

= 2 x^{2} + 4 x y + 2 y^{2} - 9 x - 9 y - 5

4 x^{2} - 39 x + 27

(a + b - c)^{2} + (a - b + c)^{2}

2 - u^{2} + - u^{4} + - u^{6}

(4 l - 2 m)^{3}

\frac{( d ^{\frac{1}{2}} \cdot e ^{x} )}{( d \cdot x ^{\frac{1}{2}} )}

What is expand 2(x+y)^2-9(x+y)-5 ?
The solution to expand 2(x+y)^2-9(x+y)-5 is 2x^2+4xy+2y^2-9x-9y-5