SOLUTION: please help me solve these problems and please give me the solution/formula. � Find the quotient of x^3 -8 divided by (x -2). � The expression (x+2)^3 is equivalent to? �

Algebra ->  Signed-numbers -> SOLUTION: please help me solve these problems and please give me the solution/formula. � Find the quotient of x^3 -8 divided by (x -2). � The expression (x+2)^3 is equivalent to? �      Log On


   

Question 419109: please help me solve these problems and please give me the solution/formula.
� Find the quotient of x^3 -8 divided by (x -2).
� The expression (x+2)^3 is equivalent to?
� Find the sum of 4b + 3a^2 + 2 and 5b - 7.
� (13 + 2)-2[4 - (5 - 3)] is equal to:
Answer by CubeyThePenguin(3113) About Me  (Show Source):
You can put this solution on YOUR website!
(x^3 - 8)/(x - 2) = x^2 + 2x + 4 (look up the formula of the difference of cubes)

(x + 2)^3 = x^3 + 6x^2 + 12x + 8

(4b + 3a^2 + 2) + (5b - 7) = 3a^2 + 9b - 5

(13 + 2) - 2[4 - (5-3)]
= 15 - 2(2)
= 11