Expanding brackets
(x+4)(x-8)
x2-4x-32
a2-b2 factorised is...
(a+b)(a-b)
4x + 20
4(x + 5)
x2-9
x2-32
(x+3)(x-3)
x2+2x+3x+6
x(x + 2) + 3(x + 2)
(x+2)(x+3)
What is the world's largest land mammal?
Elephant
(2m + 8)(4m-3)
8m2-6m+32m-24
8m2-26m-24
(x-4)2
x2-8x+16
6a + 18
6(a + 3)
25a2-b2
(5a)2-b2
(5a+b)(5a-b)
Factorise
2x2−9−18x+x
x(2x + 1) − 9(2x + 1)
(2x + 1)(x − 9)
In which year and city were the first modern Olympic Games held?
1896, Athens
2a(3a - 6) + 3a
= 6a2 - 12a + 3a
= 6a2 - 9a
Expand the following:
(2x-9)2
4x2-36x+81
4(x+3)+x(x+3)
(x+3)(4+x)
2b2-128
2(b2-64)
2(b2-82)
2(b+8)(b-8)
x2−3x−3xc+9c
x(x-3)-3c(x-3)
(x-3)(x-3c)
What is the name of Rapunzel's chameleon?
Pascal
(2x + 3)(x + 5)
= 2x2 + 10x + 3x + 15
= 2x2 + 13x + 15
(5x-3y)(5x+3y)
(5x)2-(3y)2
or
25x2-9y2
6ab-10a2b+8ab2
2ab(3-5a+4b)
(x+2)2-9
(x+2)2-32
(x+2+3)(x+2-3)
(x+5)(x-1)
2x2−7−14x+x
2x2+x-14x-7
x(2x+1)-7(2x+1)
(2x+1)(x-7)
What is the highest-grossing film of all time?
Avatar (2009)
What are the missing terms in this expression?
(x+2)(____+_____)=7x2+____+6
(7x+3)
answer missing: 17x
(6x-11y)(6x+11y)
(6x)2-(11y)2
or
36x2-121y2
If a rectangle has a length of 2x and a width of 4, what is its perimeter in factorised form?
2x+4+2x+4
4x+8
4(x+2)
(x + 8)2-81
(x+8)2-92
(x+8+9)(x+8-9)
(x+17)(x-1)
2(a-3)-x(a-3)-c(a-3)
(a-3)(2-x-c)
Which country was the first to grant women the right to vote?
New Zealand in 1893