P(x) = x⁴ + 3x³ - 2x² + x - 2 where the value of x is -1

The ratio of doors to window is 1: 5 there are 186 doors and windows in a building. how many doors are there? window?

What is the values of a and b to make this statement true 1/3= 1/a + 1/b? ​

When divided by x-1,x+1,x-2, and x+2, the polynomial p(x)= x4 + rx3 + sx2 + tx + u leaves a 0 remainder. find p(0)