What is expand 12(x-y)^2+7(x-y)-12 ?

The solution to expand 12(x-y)^2+7(x-y)-12 is 12x^2-24xy+12y^2+7x-7y-12

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expand 12(x-y)^2+7(x-y)-12

expand

12 (x - y)^{2} + 7 (x - y) - 12

12 x^{2} - 24 x y + 12 y^{2} + 7 x - 7 y - 12

Solution steps

12 (x - y)^{2} + 7 (x - y) - 12

Expand

12 (x - y)^{2} : 12 x^{2} - 24 x y + 12 y^{2}

= 12 x^{2} - 24 x y + 12 y^{2} + 7 (x - y) - 12

Expand

7 (x - y) : 7 x - 7 y

= 12 x^{2} - 24 x y + 12 y^{2} + 7 x - 7 y - 12

\frac{1}{2 x} + \frac{1}{2 x}

\frac{1}{3} \cdot \frac{3}{1}

(30 x - 1)^{2}

x + \frac{x}{3}

42 \cdot 7

What is expand 12(x-y)^2+7(x-y)-12 ?
The solution to expand 12(x-y)^2+7(x-y)-12 is 12x^2-24xy+12y^2+7x-7y-12