Question 391459
{{{4x^2 - 5 = 9 }}}

{{{4x^2 = 5 + 9 }}}

{{{4x^2 = 14  }}}.......both sides divide by {{{4}}}

{{{4x^2/4 = 14/2 }}}

{{{x^2 = 3.5 }}}

{{{x=(+-sqrt(7))}}}

{{{x1=+2.65}}}

{{{x2=-2.65}}}