Expand
Factor
Rationalize
Combining Fractions
Standard Values
100
Expand: (x+3)(x-5)
What is x^2-2x-15
100
Factor: 6x-15
What is 3(2x-5)
100
1/sqrt(2)
What is sqrt(2)/2
100
2/x + 7/x
What is 9/x
100
cos (pi/6)
What is sqrt(3)/2
200
Expand (2x-3)(2x+3)
What is 4x^2-9
200
Factor: x^2 - 4x - 12
What is (x-6)(x+2)
200
3/sqrt(5)
What is 3sqrt(5)/5
200
(x+4)/(x+1) - (3x+2)/(x+1)
What is (-2x+1)/(x+1)
200
sin (5pi/4)
What is -sqrt(2)/2
300
Expand: (4x-5)(3x-2)
What is 12x^2-23x+10
300
Factor: x^2 - 16
What is (x - 4)(x + 4)
300
4/3sqrt(6)
What is 2sqrt(6)/9
300
3/5 + 2/x
What is (3x+10)/(5x)
300
tan (3pi/2)
What is undefined
400
Expand: (x+2)^2
What is x^2 + 4x+4
400
Factor: 2x^2 - x - 3
What is (2x - 3)(x + 1)
400
1/(1 + sqrt(2))
What is (1 - sqrt(2))/-1
400
3/x + 2/y
What is (3y + 2x)/(xy)
400
arc cos (-1/2)
What is 2pi/3
500
Expand: (2x-3)^2
What is 4x^2-12x+9
500
Factor: 6x^2 + 5x - 6
What is (3x - 2)( 2x + 3)
500
3/(2-sqrt(3))
What is 3(2 + sqrt(3)) or 6 + 3 sqrt(3)
500
2/(x+1) + 5/(x-1)
What is (7x+3)/(x+1)(x-1) or (7x + 3) / (x^2-1)
500
tan (arc sin (-sqrt(3)/2))
What is -sqrt(3)
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