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Factor polynomial:
c^2-9
y^2-y
x^4-x^2-1
x^3+2*x^2
Least common denominator:
sin(2*x-y)*cos(y-3*x/2)-2*cot(pi/2-y)*cos(pi/2+y)*sin(y-3*pi/2)
(z/x-z+x+z/z)/x/x^2-z^2
(z+t)/(t-z)-(t-z)/(t+z)
y/(x-y)+x/(y-x)
Factor squared:
-y^4+9*y^2-3
-y^4+7*y^2+6
x^2+x+5
y^4+9*y^2+2
How do you in partial fractions?:
(a^2+a*b)/(a+b)
2*(-1+4*x^2/(1+x^2))/(1+x^2)^2
(z+1)/(z+2)^3/(z-1)
x^2/(x^2+1)
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