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7. (a) Expand and simplify
3(x + 4) + 5(2x + 1)
.....................................
(2)
4
6
(b) Simplify
t
× t
.....................................
(1)
8
5
(c) Simplify
p
÷ p
.....................................
(1)
4
3
(d) Simplify
(x
)
.....................................
(1)
Q7
(Total 5 marks)
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