Mister Exam

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Factor polynomial:
y^2/2-y
y^2+2*y
y^2-20
y^2-16/y-4
Least common denominator:
((x^3+6*x^2+11*x+6)/(-6))+((-x^3-9*x^2-26*x-24)/6)
x^2*y+16/(y-1)*(x-4)-16*y+x^2/x*y-x-4*y+4
(x2-x1)*x1-(c/a-x1*(x1+x2)/2)
-x^2/(x-1)^2+2*x/(x-1)
Factor squared:
-y^2+y*a+2*a^2
y^2-y*a-a^2
-y^2+y*a+11*a^2
y^2-y-9
How do you in partial fractions?:
x^2-9/(x+3)^2
(4x-1)/(x^2-4x+8)
(x^3+2)/(x^3-4x)
(C^2-5c)/(c^2-25)
Identical expressions
y^ two - twenty
y squared minus 20
y to the power of two minus twenty
y2-20
y²-20
y to the power of 2-20
Similar expressions
y^2+20

Expression simplification/ Factorization polynomials/ y^2-20

Factor polynomial y^2-20

The solution

You have entered [src]

 2     
y  - 20

$$y^{2} - 20$$

y^2 - 20

Factorization [src]

/        ___\ /        ___\
\x + 2*\/ 5 /*\x - 2*\/ 5 /

$$\left(x - 2 \sqrt{5}\right) \left(x + 2 \sqrt{5}\right)$$

(x + 2*sqrt(5))*(x - 2*sqrt(5))

Numerical answer [src]

-20.0 + y^2

-20.0 + y^2