CW1

advertisement
Dr. Nermien Ismail American School
Grade 7
Mathematics Department
Q1 W7 CW
Greatest Common Factor
Factor the common factor out of each expression.
1. 20 x4 + 10 x2
2. 7 a b – 35 a2 b
3. 27 x2 y5 + 72 x3 y2
4. – 3 a2 b + 6 a3 b2
5. 8 x3 y2 + 4 x3
6. 5 x2 – 5 x3 + 15 x
7. 32 n9 + 24 n6 – 40 n5
8. 21 p6 – 30 p2 + 27
9. 2 a ( x – 1 ) – 3 ( x – 1 )
10. 5 x ( a – 2 )2 + 2 ( a – 2 )2
11. ( x – 2 ) ( 3 x – 1 ) + x ( 3 x – 1 )
12. z2 ( 2 x – 3 ) – z ( 2 x – 3 )
13. s ( 2 x + 7 ) – 4 ( 2 x + 7 )
14. 8 ( x2 – 3 ) – x ( x2 – 3 )
Page 1 of 1