What is (x+2y)(x+2y+4)-12 ?

The solution to (x+2y)(x+2y+4)-12 is x^2+4xy+4x+4y^2+8y-12

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simplify (x+2y)(x+2y+4)-12

simplify

(x + 2 y) (x + 2 y + 4) - 12

x^{2} + 4 x y + 4 x + 4 y^{2} + 8 y - 12

Solution steps

(x + 2 y) (x + 2 y + 4) - 12

Distribute parentheses

= xx + x \cdot 2 y + x \cdot 4 + 2 y x + 2 y \cdot 2 y + 2 y \cdot 4 - 12

Simplify

xx + x \cdot 2 y + x \cdot 4 + 2 y x + 2 y \cdot 2 y + 2 y \cdot 4 : x^{2} + 4 x y + 4 x + 4 y^{2} + 8 y

= x^{2} + 4 x y + 4 x + 4 y^{2} + 8 y - 12

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(2 n + 1)^{5}

(5 x^{2} y + 2 x)^{3}

7 y^{2} - \frac{11}{3} y - \frac{2}{3}

What is (x+2y)(x+2y+4)-12 ?
The solution to (x+2y)(x+2y+4)-12 is x^2+4xy+4x+4y^2+8y-12