book Maths Puzzle Numerical Ability

find all of the roots of these equations:
x^3-2x^2-2x-3
x^3+x^2+x+1
x^4+3x^3+3x^2+3x+2

Read Solution (Total 0)

book Other Question

Megrez, the nearest of the Big Dipper stars, is 6.6 x 10^17m from the Earth. Approximately how long does it take light, traveling at 10^16m/year, to travel from Megrez to the Earth?
Factor the polynomial completely

6x^3 + 30x^2y^2+36xy^4