exam Maths Puzzle Numerical Ability

Given f(x) = -x3 - 2x2 - x - 3, find f(-2), f(0), and f(2)

Read Solution (Total 0)

exam Other Question

3(9-16)+16*2 Simplify by combining like terms
(rad)63) -2(rad)28) +5(rad)7 i thought i had it then i didnt please help.
Also am i entering the radical thing the right way? radical of 63 = (rad)63 ? is this ok?