14:00
1 of 5
Foundation
Non-calculator
A6 Equations versus identities
Question 1 · 3 marks
Spec and skills
Paper scope: Paper 1: non-calculator practice
Spec A6
Spec A4
Original practice question
Answer and supported method checks
Answer each part.
(a)
Show that
5
(
x
+
2
)
−
3
(
x
+
1
)
≡
2
x
+
7
5(x + 2) - 3(x + 1) \equiv 2x + 7
5
(
x
+
2
)
−
3
(
x
+
1
)
≡
2
x
+
7
2 marks
Expand both brackets.
x
xⁿ
a/b
√
π
(
)