What is the value of this expression if x=4? 2x+6
14
Simplify, 9r + 10 + 2 - 3r
6r + 12
Simplify, 14n x 3n
42n^2
When x = -6 and y = -3, what is 4y^2 + x?
30
If x= -5, what is 5x?
-25
If b = 7, what is 31-b?
24
4xxxyyyy
4(x^3)(y^4)
Simplify: 2g +15 + 8g - 10 + h
10g + h + 5
Simplify: 18n x 2n
36n^2
What is the value of the expression 4+3n, when n=9
31
What is the answer to 3x^2 when x = 2
12
If x = 4, what is 2x - 1?
7
If x=3, what is 13+x?
16
Simplify 3n - 4n
-n
Expand the brackets, 7(n-4)
7n - 28
Expand: x(x - 4)
x^2 - 4x