Simplify 3ab - 5 +6ab
9ab-5
Evaluate this expression when x=3 and y =4
5x + y + 8
27
Simplify
y x y x y
y3
Expand the following
8(s + 7)
8s + 56
Write an expression:
10 more than x
10 + x
Simplify 3a - 4b +5a - 2b +5
8a-6b+5
Evaluate the following expression when p=4 and t=5
3p2 + t
53
Simplify
4 x a x b x a x 3
12a2b
Expand the following
10(8-y)
80-10y
Write an expression:
100 less than 2y
2y - 100
Simplify 9xy + 2x - 15xy -5x +6
-6xy -3x + 6
Evaluate this expression when x=4 and y =7
80-(2xy+y)
17
Simplify 56ab/7b
8a
Expand the following and simplify 9x(y - 2)
9xy - 18x
Write an expression:
The sum of 2x and 2y
2x + 2y
Simplify 3a2 - 5ab -6a2 +8 -17 -9ab
-3a2 -14abc-9
Evaluate this expression a=9, b =3 and c=5
2b2 + a - 2c
___
3
11
Simplify 5b2/b
5b
Expand the following and simplify 3a(3a-6+4)
9a2-18a+12a
9a2-6a
Write an expression:
The sum of 5 and triple the value of a
5 + 3a
Expand the bracket and simplify:
3(x2+4) - 3(5x+6)
3x2-15x-6
Evaluate the following when x= 3 and y=-4
6(3-y)2+3
297
Simplify 12x3y/ -9xy
-4/3 x2
Expand the following and simplify
6(k+5) +3(k-2)
9k + 24
Write an expression:
The product of 7 and b is halved.
7+ b/2