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This worksheet, provided by dr. Y. Kim, covers tips and formulas for factoring various expressions, including common factor, formulas, trial & error, and grouping methods. It also includes exercises for multiplying and dividing rational expressions. #ms112
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MS112 Worksheet
Dr. Y. Kim
3
2 3 5 x y xy
2 2 A 2 AB B
+ + =
2 2 A 2 AB B
(^) − =
2 2 A B * NOTE :^
2 2 A + B is not^ factorable.
3 3 A B
3 3 A B
2 x
3 x
3 t
2 x x
2 x x
2 x x
4 2 x x
2 2 3 3 x 4 xy 3 xy 4 y
Homework Solve the problems #11~#38 on page 163.
Ex1) Multiply and simplify :
4 2
2 2 4 3
(^3) x x
x x
x
x x
2
2
2
2
n n
n x
n n
n n
Ex2) Divide and simplify
x y xy
x
2 3
4
÷
2
4 3
3 2
2
t t
t t
t t
t t