Question

desenvolva o produto notavel:
(5x + 10y)2

Answer 1

$(5x+10y)2$
$10x+20y$
$(x+2y)\cdot10^1$

Answer 2

(5x + 10y)^2 = 25x^2 + 20xy + 100y^2

5x  +  10y
5x  +  10y
--------------
25 x^2 + 50xy
            + 50xy + 100y^2
-------------------------------
25x^2 + 100xy + 100y^2