How do you find the area of the base in a cylinder

In factoring by grouping, what would you have for step 3 for the following? step 1: x^3 +5x^2 +4x+20 step 2: x^2 (x+5)+4(x+5) step 3: ?

Of four points are collinear, they are also coplanar

Solve -2(4y + 6) = 52. 5 -5 8 -8 and !