Question 630044
  <pre><font face = "Tohoma" size = 3 color = "indigo"><b> 
Hi,
{{{x^2 = 180}}}  Taking the square root of both sides of the EQ
    x = ± {{{sqrt(180) = sqrt(9*4*5) = 6sqrt(5)}}}
    x = ± 6{{{sqrt(5)}}}
In decimal form, a calculator will do the work quickly
  x = ± 13.4164