Question 100129
G) X^4-16X^2+36 USING THE QUADRATIC EQUATION:
{{{x = (-b +- sqrt( b^2-4*a*c ))/(2*a) }}} WE GET:
X=(16+-SQRT[-16^2-4*1+36])/2*1
X=(16+-SQRT[256-144])/2
X=(16+-SQRT112)/2
X=(16+-10.58)/2
X=(16+10.58)/2
X=26.58/2
X=13.29 ANSWER.
X=(16-10.58)/2
X=5.42/2
X=2.71 ANSWER.