Chap 2 - Algebra

Question 1

simplify expression if possible

Answer 1

-expand brackets
-add/ minus like terms
-multiply/ divide

Question 2

answer should not have brackets

Question 3

indices laws

Answer 3

• 1^ a = 1
• a^ 0 = 1
• a^ m x a^ n = a^ m+n
• a^ m / a^ n = a^ m-n
• (a^ m) ^n = a^ mn
• a^-m = 1/ a^m
• a^ m/n = n root/—-^m (m- power, n-root)