Mister Exam

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How to use it?
Factor polynomial:
x^3+27
c^2-9
z^3/4-2*z^3/9+7*z^3/12
z^2+z^2
Least common denominator:
x/y-y/x
(a^-2-a/a^-1-1)/(a^2+1)
(z/x-z+x+z/z)/x/x^2-z^2
((y/x-y)+(x/x+y))*((x^2/y^2)+(y^2/x^2)-2)
Factor squared:
y^4-y^2+12
-y^4-9*y^2-4
y^4+9*y^2+2
-y^4+9*y^2-3
How do you in partial fractions?:
(x^2-x-12)/(x+3)
2*(-1+4*x^2/(1+x^2))/(1+x^2)^2
(a+4)*a/2+(4*a+16)/(4*a^2-a^3)
-1/x+x/(2*x+3)
Identical expressions
c^ two - nine
c squared minus 9
c to the power of two minus nine
c2-9
c²-9
c to the power of 2-9
Similar expressions
c^2+9

Expression simplification/ Factorization polynomials/ c^2-9

Factor polynomial c^2-9

The solution

You have entered [src]

 2    
c  - 9

$$c^{2} - 9$$

c^2 - 9

Factorization [src]

(c + 3)*(c - 3)

$$\left(c - 3\right) \left(c + 3\right)$$

(c + 3)*(c - 3)

Combinatorics [src]

(-3 + c)*(3 + c)

$$\left(c - 3\right) \left(c + 3\right)$$

(-3 + c)*(3 + c)

Numerical answer [src]

-9.0 + c^2

-9.0 + c^2