From: <a href="http:&#x2F;&#x2F;betterexplained.com&#x2F;static&#x2F;articles&#x2F;rethinking-arithmetic-a-visual-guide&#x2F;" rel="nofollow">http:&#x2F;&#x2F;betterexplained.com&#x2F;static&#x2F;articles&#x2F;rethinking-arithm...</a><p>1 * x^2 = 9<p>&quot;What transformation (“times x”), when applied twice, will turn 1 into 9?&quot;<p>That&#x27;s such a great way of thinking about algebra. The &quot;understood&quot; 1 is equivalent to, e.g., an understood &quot;YOU&quot; in the English language.