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Simplify: 4 + 10k2 - 2k - 3k2

Factorise: 21d + 14

Algebra basics

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Practice questions for simplifying, expanding, factorising and solving algebraic equations

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Questions 10

Answers

1
Factorise: 21d + 14
21 (d + 14)
7 (3d + 2)
7 (d + 2)
3 (7 + 2)
2
Simplify: 4 + 10k² - 2k - 3k²
12
4 + 5k2
4 + 7k2 - 2k
9k2 - 2k
3
Simplify: d + 2d - d + 2dc
4dc
5d + 2c
4d + 2dc
2d + 2dc
4
Expand: 5 (t - 2)
5 (t - 2)
5t - 2t
5t - 10
5t - 2
5
Who will win the premiership
West Coast
Geelong
Sydney
Hawthorn
6
Expand: 8d (2d + 4)
10d + 4
16d2 + 32d
16d2 + 4
16d + 32
7
w × w × 7 =
9w
7w2
7w
w7
8
Solve: 2x + 4 = 10
x = 2
x = 5
x = 3
x = 10
9
4 × 6 × y =
24 × y
46y
24y
y24
10
Solve: y²= 36
y = 4
y = 18
y = 6
y = 9