Question 594939
Solve using quadratic formula:
1.) 3a^2=6a-3
2.) x^2=-3x+40
{{{x^2 + 3x - 40 = 0}}}
*[invoke solve_quadratic_equation 1,3,-40]
-------------
Do the others the same way.
---------------
3.) 9x^2-11=6x
4.) 4a^2-8+a

Thank you