Can anyone solve this

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

The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?

Select 2 statements that are true about the equation y+6=-10(x-3).1) the slope of the line is -102) the slope of the line is 33) one point on the line is (3,6)4) one point on the line is (3,-6)