Add the polynomials: (3x+3x2-4x+5) + (x3-2x2+x-4)​

Can someone me and plz do the problem

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. 4x^2 + 20x + 25 = 0

The area of the map is the product of the length and width. write and expression for the area as the product of the two binomials do not multiply