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1 of 5
Higher
Non-calculator
A4 Simplifying and manipulating expressions
Question 1 · 4 marks
Spec and skills
Paper scope: Paper 1: non-calculator practice
Spec A4
Spec A18
Original practice question
Answer and supported method checks
Simplify
x
−
5
x
+
7
÷
x
−
5
x
\frac{x-5}{x+7}\div\frac{x-5}{x}
x
+
7
x
−
5
÷
x
x
−
5
,
where
x
≠
0
,
5
,
−
7
x\ne0,5,-7
x
=
0
,
5
,
−
7
.
(a)
Give your answer as a single fraction.
2 marks
x
xⁿ
a/b
√
π
(
)