Amazing Algebra Flashcards
1
Q
Expand 5(x + 3)
A
5x + 15
2
Q
Expand m(m - 5)
A
m2 - 5m
3
Q
Expand 3a(2a - 4)
A
6a2 - 12a
4
Q
Expand and simplify 2(3c + d) + 3(c + d)
A
6c + 2d + 3c + 3d = 9c + 5d
5
Q
Factorise 2r + 6
A
2(r + 3)
6
Q
Factorise 9h - 15
A
3(3h - 5)
7
Q
Factorise 8hg + 4gf
A
4g(h + f)
8
Q
Expand and simplify (x + 3)(x + 2)
A
F: x2 x2 + 5x + 6
O: 2x
I: 3x
L: 6
9
Q
Expand and simplify (x - 9)(x + 4)
A
F: x2 x2 - 5x - 36
O: 4x
I: -9x
L: -36
10
Q
Aiming high?
Factorise x2 + 4x - 21
A
put the brackets back in
(x + 7)(x - 3)
11
Q
Aiming high?
Expand and simplify (2x + 3)2
A
(2x + 3)(2x + 3) = 4x2 + 12x + 9
12
Q
simplify 4x + 3x
A
7x
13
Q
simplify 3a + 2b + 5a + 4b
A
8a + 6b
14
Q
simplify 5g + 4h - 3g + h
A
2g + 5h
15
Q
simplify 7x - 3y + x - 4y
A
8x - 7y
16
Q
simplify 4a + 5 - 6a + 9
A
14 - 2a
17
Q
simplify 3x2 + 2x + 5x2
A
8x2 + 2x
18
Q
simplify a x a x a x a
A
a4
19
Q
simplify a + a + a
A
3a
