Question 129656
A+A^2=27
A^2+A-27=0
USING THE QUADRATIC EQUATION:
{{{x = (-b +- sqrt( b^2-4*a*c ))/(2*a)}}}
A=(-1+-SQRT(1^2-4*1*-27])/2*1
A=(-1+-SQRT[1+108])/2
A=(-1+-SQRT109)/2
A=(-1+-10.44)/2
A=(-1+10.44)/2
A=9.44/2
A=4.72 ANSWER.
A=(-1-10.44)/2
A=-11.44/2
A=-5.72 ANSWER.