4x + 7x
11x
Expand 4(x+6)
4x+24
Expand (x+3)(x+6)
x2+9x+18
Solve (x+8)(x-1) = 0
x=-8,1
Solve 3x = 9
x=3
t2xt6
t8
Make x the subject of 2x - 7 = t
(t+7)/2=x
2x + 3y + 4x - 2y + 7
6x + y + 7
Expand 5t(t+4)
5t2+20t
Expand (y+7)(y-2)
y2+5y-10
Solve x2+3x-10=0
x=-5, 2
Solve 4x + 7 = 10x - 11
x=3
(t^5xxt^6)/t^3
t^8
3t^2 = p
Make t the subject
t=root2 (p/3)
3t2 + 4t2 - 6t2
t2
5(x+3) + 4(x-2)
Factorise x2+6x+5
(x+1)(x+5)
Use the formula to solve x2 - 5x - 3 = 0
5.5, -0.5
Solve
(4x+5)/2=6
x=1.75
Write without using powers:
e^(-1/2)
1/root (e)
Make x the subject
(x+3)/(x+t)=f
x=(ft-3)/(1-f)
6tw x 4ty
24t2wy
Write an expression for the area of the rectangle
n2+2n
Factorise x2 - 7x + 12
(x-3)(x-4)
Complete the square for x2+6x+8
(x+3)2-1
The perimeter of this shape is 46cm. What is the length of each side?
16, 7
(3a^4b)^2
9a^8b^2
Make x the subject of
(5c)/x+t=f
x=(5c)/(f-t)
16x6y2
4(x+3) - 2(x+4)
2x+4
Factorise 2c2+9c+4
(2c+1)(c+4)
0.5, -8.5
Calculate the size of the biggest angle
x=44, so 68
Write without using indices:
5/(t^3)xxt/10
1/2 t^-2
(5c)/(x+t)=f
x=(5c-ft)/f