AoPS Wiki:Sandbox

Template:AoPSWiki:Sandbox/header $\begin{align*} 2x^2 + 3(x-1)(x-2) & = 2x^2 + 3(x^2-3x+2)\\&= 2x^2 + 3x^2 - 9x + 6\\&= 5x^2 - 9x + 6 \end{align*}$ $[asy] unitsize(0.15inch); draw((0,0)--(2,0)--(2,1)--(0,1)--cycle); draw((1,0)--(1,1)); label("2",(0.5,-0.3),N); label("4",(1.5,-0.3),N); draw((0,1.5)--(1,1.5)--(1,3.5)--(0,3.5)--cycle); draw((0,2.5)--(1,2.5)); label("5",(0.5,1.2),N); label("7",(0.5,2.2),N); draw((3,-1)--(4,-1)--(4,-2)--(3,-2)--cycle); label("7",(3.5,-0.7),S); draw((4,1)--(4,2)--(6,2)--(6,1)--cycle); draw((5,1)--(5,2)); label("4",(4.5,0.7),N); label("7",(5.5,0.7),N); draw((3,3)--(3,4)--(6,4)--(6,3)--cycle); draw((4,3)--(4,4)); draw((5,3)--(5,4)); label("4",(3.5,2.7),N); label("5",(4.5,2.7),N); label("6",(5.5,2.7),N); draw((7,0)--(7,3)--(8,3)--(8,0)--cycle); draw((7,1)--(8,1)); draw((7,2)--(8,2)); label("2",(7.5,-0.3),N); label("5",(7.5,0.7),N); label("4",(7.5,1.7),N); draw((8.5,0)--(9.5,0)--(9.5,3)--(8.5,3)--cycle); draw((8.5,1)--(9.5,1)); draw((8.5,2)--(9.5,2)); label("5",(9,-0.3),N); label("4",(9,0.7),N); label("7",(9,1.7),N); draw((10,0)--(14,0)--(14,4)--(10,4)--cycle); draw((12,0)--(12,4)); draw((13,0)--(13,4)); draw((11,0)--(11,4)); draw((10,1)--(14,1)); draw((10,2)--(14,2)); draw((10,3)--(14,3)); label("ROW 1",(14,3.5),E); label("ROW 2",(14,2.5),E); [/asy]$

<aops>sdfvsdfv</aops>

123\\456 222\\ 1 222 \\ w )\\) Hmmm

print(3)

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AoPS Wiki:Sandbox