What is expand 3098.5(x+y-0.1)^2 ?

The solution to expand 3098.5(x+y-0.1)^2 is 6197xy+3098.5x^2-619.7x+3098.5y^2-619.7y+30.985

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expand 3098.5(x+y-0.1)^2

expand

3098.5 (x + y - 0.1)^{2}

6197 x y + 3098.5 x^{2} - 619.7 x + 3098.5 y^{2} - 619.7 y + 30.985

Solution steps

3098.5 (x + y - 0.1)^{2}

(x + y - 0.1)^{2} = 2 x y + x^{2} - 0.2 x + y^{2} - 0.2 y + 0.01

= 3098.5 (x^{2} + 2 x y - 0.2 x + y^{2} + 0.01 - 0.2 y)

Distribute parentheses

= 3098.5 \cdot 2 x y + 3098.5 x^{2} + 3098.5 (- 0.2 x) + 3098.5 y^{2} + 3098.5 (- 0.2 y) + 3098.5 \cdot 0.01

Apply minus-plus rules

+ (- a) = - a

= 2 \cdot 3098.5 x y + 3098.5 x^{2} - 0.2 \cdot 3098.5 x + 3098.5 y^{2} - 0.2 \cdot 3098.5 y + 0.01 \cdot 3098.5

Simplify

2 \cdot 3098.5 x y + 3098.5 x^{2} - 0.2 \cdot 3098.5 x + 3098.5 y^{2} - 0.2 \cdot 3098.5 y + 0.01 \cdot 3098.5 : 6197 x y + 3098.5 x^{2} - 619.7 x + 3098.5 y^{2} - 619.7 y + 30.985

= 6197 x y + 3098.5 x^{2} - 619.7 x + 3098.5 y^{2} - 619.7 y + 30.985

a - ((a + b) (a + (a + b)^{\frac{1}{2}}))^{\frac{1}{2}}

\frac{x !}{x ( x - 2 )}

- \frac{( x - 1 ) y}{x y - x}

d x (x tan (x) d x - y cos (x) d y)

\frac{1}{2} (e^{i x} i - i e^{- i x})

What is expand 3098.5(x+y-0.1)^2 ?
The solution to expand 3098.5(x+y-0.1)^2 is 6197xy+3098.5x^2-619.7x+3098.5y^2-619.7y+30.985