expanding double brackets 1.2c Flashcards
1
Q
(w+4)(w+2)
A
w(2) + 6w + 8
2
Q
(t−8)(t−7)
A
t (2) - 15t + 56
3
Q
(8+x) (2+x)
A
16 + 10x + x (2)
4
Q
(11+y)(11−y)
A
121 - y(2)
5
Q
(2c+1)(2c+3)
A
4c(2) + 8c + 3
6
Q
(a+2)2
A
a(2) + 4a + 4
7
Q
(2b−1)2
A
4b(2)- 4b + 1
8
Q
(a+2)(a+3)+(a+4)(a+1)
A
2a(2) + 10a + 10
9
Q
(x+9) (3x+4) − (x+3) (x−1)
A
2x(2) +29x + 39
