1. Evaluate the polynomial for x=3 and x=-3: the value of -6x +8 is - when x is 3, when x is -3?
2. Evaluate the polynomial for x =-4 and x=4:The value of -2x^3+8x^2-5x-9 is- x is 4,x is -4.
5. Add
(8m^3-3m^2+m-5)+(8m^3+3m^2-4m-2)
6.Subtract
(5a^3+a-7)-(8-7a^3-2a^2)
&. (-1/2y^2)(3/5y^8)