Simplifying Expressions
5(2x+3)
10x+15
What does f(x)=2x+7 equal when x=8?
f(8)=23
2x+4(-2x-3)
-6x-12
If w=4 and v=-2, then what is the value of (1/2)wv2
8
-2(4x-3)
-8x+6
Evaluate 11b-14 when b=3
19
-3x2+2-7x+5x2
2x2-7x+2
If t=-3, what is the value of 3t2+5t+6
18
3y(4y+7)
12y2+21y
Evaluate 3(c+3) when c=9
36
4(x+7)-3(2x+5)
-2x+13
What is the value of (x2-4y)/2 if x=4 and y=-3
14
Simplify and put into standard form: -6b(7-3b)
18b2-42b
Evaluate 6(3-x)+4y when x=9 and y=6
-12
7(1-10a)-8(-a+5)
-62a-33
8(x+5)+y when x=2 and y=6
62