Please help I don’t know how to do this.

Use the quadratic formula to solve 5x=6x^2-3,what are the values of x?

Can someone tell me if this is perpendicular? !

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (–4, 0) and (6, 0). the y-intercept of the first parabola is (0, –12). the y-intercept of the second parabola is (0, –24). what is the positive difference between the a values for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth