Simplifying Variable Expressions
4+11x+5
11x^2+9
(x^3+5x^2)+(12x+6x^2)
x^3+11x^2+12x
Evaluate the expression
5x+6
when
x=3
21
Evaluate the expression
-2a+4b
when
a=4, b=2
0
2(6x+5)
12x+10
8x+6-9x
-x+6
(6x^5+3x^3)-(7x^3+9x^2)
6x^5-4x^3-9x^2
Evaluate the expression
6x-8
when
x=-4
-32
Evaluate the expression
5x+3y
when
x=-6, y=3
-21
(-3x+4)4
-12x+16
-8-x^2-3x^2
-4x^2-8
(10x^4+6x^2)-(5x^2-7x^4)
17x^4+x^2
Evaluate the expression
2(7x-6)
when
x=3
30
Evaluate the expression
6x-3y
when
x=2, y=-2
18
15(2-x)
-15x+30
7x^2+5x+3x^2
10x^2+5x
11x-9x^2-2(3x^2+4x^3)
-8x^3-15x^2+11x
Evaluate the expression
-7x+2
when
x=-3
23
Evaluate the expression
6x+2y
when
x=-3, y=7
-4
-7(-3+ -6x)
42x+21
5x-(14-23x)
28x-14
(8x^2-2x)-(7x^3+2x^2)
-7x^3-6x^2-2x
Evaluate the expression
98-3(5x+3)
when
x=7
-16
Evaluate the expression
-z+2+4k
when
z=-5, k=-4
-9
-6(-4-2x)
12x+24
6x^2-7x-2x+3x^2
9x^2-9x
7(2x-3x^3)-3(x^3+6x^2)
-24x^3-18x^2+14x
Evaluate the expression
5-2(4-6x)
when
x=-4
-51
Evaluate the expression
6a-(8-4b)
when
a=2, b=3
16
-3[-4x-(-2)]
12x-6