SOLUTION: I. Find the square of √a + √b and -√a-√b. II. Use the result of part I. to find the square roots of 10+√84.

Algebra ->  Customizable Word Problem Solvers  -> Mixtures -> SOLUTION: I. Find the square of √a + √b and -√a-√b. II. Use the result of part I. to find the square roots of 10+√84.      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 1016335: I. Find the square of √a + √b and -√a-√b.
II. Use the result of part I. to find the square roots of 10+√84.
Answer by richard1234(7193) About Me  (Show Source):
You can put this solution on YOUR website!
by expanding/using FOIL.

(same as the first one)

Note that . Setting a = 7, b = 3 gives .