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maths

simplify
5y+ 8 x -y + 8

4y + 8x +8

simplify
X x Xy

X2y

multiply this
3(5 + x)

15 + 3x

multiply this
2x(5x - 5)

10x2 -10x

multiply
5 - 3 (1 - 4x)

2 - 12x

expand this
(x + 2) (y +3)

xy + 3x + 2y + 6

multiply
7 - 2 (3- 2x)

15 - 10x

expand
(x - 1) (x + 1)

x2 - 1

expand
(x + 9) ( x + 1)

x2 + 10x + 9

Expand
(2x - 2) (y + 6)

2xy + 12x - 2y - 12

expand (hard)
(x - 3) (3x + 1) + (x +2) (x + 5)

3x2 - 3 + x2 + 7x

Factorise
2x + 4

2(x + 2)

factorise
xy + x

x(y + 1)

factorise
6xy + 3xy2

3xy (3 + 1y)

factorise
12pw2 - 8w2y

4w2 (3p - 2y)

factorise
10x3y2 + 5x2y3 + 15x2y2

5x2y2(2x + 1y + 3)

factorise
1/2y + 1/4y3

1/4y (1 + 2y2)

Factorise
x2 + 3x + 2

(x + 2) (x +1)

factorise
x2 - 2x - 24

(x - 6) ( x + 4)

factorise

x2 - 5x + 6

(x -2) (x-3)

factorise
x2 + 6x + 5

(x + 1) ( x +5)

factorise
x2 + 5x - 14

(x + 7) (x - 2)

factorise
x2 - 6x + 9

(x - 3) ( x - 3)

factorise
x2 - 14x + 49

(x - 7) (x - 7)

factorise
x2 - 9

(x +3) (x-3)

factorise
25 - y2

(5 + y) (5- y)

factorise
4x2 - 49

(2x + 7) (2x - 7)

FIND THE VALUE OF N
3n - 5 = 13

3n - 5 = 13
3n=18

n=6

find the value of z
4 - 6z = 18

4 - 6z = 18
6z=14

z=14/6 = 7/3

find the value of b
7b + 23 = 11

7b + 23 = 11
7b = -12

b= - 12/7

find the value of a
5a + 3 = 2a + 9

5a + 3 = 2a + 9
5a = 2a + 6

3a = 6

a=2

find the value of x
11x - 4= 2x-13

11x - 4= 2x-13
11x=2x-9

9x=-9

x= -1

find the value of y
3y + 4 = 8y - 5

3y + 4 = 8y - 5
3y = 8y -9

y= 5y -9

y= 9/5

find the value of x
3x - 3= x + 5

3x - 3= x + 5
3x= x - 8

2x = + 8

x=4

find the value of x
3- 5x = 5 + 2x

3- 5x = 5 + 2x
-5x = 2 + 2x

x= 2 + 7x

x= 2/7

find the value of x
2(2x + 3) = 9

2(2x + 3) = 9
4x + 6 = 9

4x = 3

x= 3/4

find the value of x
3-4 (2x - 3) = 7x

3-4 (2x - 3) = 7x
3- 8x+ 12 = 7x

15 - 8x = 7x

15 = 15x

x=1

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