Question 390928
{{{2-sqrt(3))(2+sqrt(3))}}}
You can use FOIL to multiply this. But you can also use tha pattern, {{{(a + b)(a - b) = a^2 - b^2}}}, with "a" being 2 and "b" being {{{sqrt(3)}}}. Using the pattern we get:
{{{(2)^2 - (sqrt(3))^2}}}
which simplifies as follows:
4 - 3
1