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Algebraic Expressions
1. Expand –5x(x – 2y)
2. Expand (2m – 3)(m + 1).
3. Simplify (x – y) 2 + 6xy
4. Factorize x 2 + 4xy + 4y 2 .
5. Factorize completely the expression 4k – ky 2 .
2
4m
n 9mn
6. Simplify
3 4
12m n
7. Simplify
r 5
.
5 r
8. Simplify 64a 3 b 8ab 4 4b
3 5 3
35x
y 7x
y
9. Simplify
3 5
7x
y
10. Factorize 4s 2 – 25t 2
3
4
11. Simplify
x
2
4xy
10
4y
2
x
2y
5
12. Expand ( 2x
2
5)
13.
3
Factorize x y
2
x y x
14.
4xy
12 y
Simplify
2
x 6x
9
15.
1 x y
Simplify
2 2
x y x y
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