PLSSS HELP I JUST FINISHED ALL ALEKS TOPICS AND THIS IS THE KNOWELDGE CHECK SO I NEED HELP PLS

After being rearranged and simplified, which of the following equations could be solved using the quadratic formula? check all that apply. a. 9% + 3x2 = 14 + x-1 b. -x+ + 4x + 7 = -32-9 c. 5x + 4 = 3x4 - 2 d. 2x2 + x2 + x = 30

An equation of the line tangent to y=x^3+3x^2+2 at its point of inflection is

Let f(x)=2x and g(x)=2x. graph the functions on the same coordinate plane. what are the solutions to the equation f(x)=g(x) ?me asap