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1. Simplify the expression 5(2x-3) – (7x-20)
2. Simplify the expression 48p6q4 ÷ 8p4q
3. Simplify the expression (18m7n3÷6m3n) x (48mn⁴÷12mn3)
4. Simplify the expression 12a3b x 3a2b3c
5. Remove the brackets a – 4(b – 2c).
6. The width of a square is ‘w’cm. Find an expression for calculating it’s perimeter.
7. Simplify the expression 3(5x-4) – (8x-12)
8. Simplify the expression 81x6y4 ÷ 3x4y
9. Simplify the expression (25a7b3 ÷ 5a3b) x (9ab4 ÷ 3ab3
10. Simplify the expression 9m3n x 6m2n3p
11. The length of a square is ‘L’cm. Find an expression for calculating it’s perimeter.
12. Simplify 3(5a-4) – 2(3a-12)
13. Simplify 5(5b-2) – 8(3b-5)
14. Simplify 3(5a-5) – 2(8b-12
15. Simplify 3(5a-4) – 2(3a-12) + 7(6a-3)