Mister Exam

Factor polynomial 4-y^2

An expression to simplify:

The solution

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     2
4 - y 
$$4 - y^{2}$$
4 - y^2
Factorization [src]
(x + 2)*(x - 2)
$$\left(x - 2\right) \left(x + 2\right)$$
(x + 2)*(x - 2)
Numerical answer [src]
4.0 - y^2
4.0 - y^2
Combinatorics [src]
-(-2 + y)*(2 + y)
$$- \left(y - 2\right) \left(y + 2\right)$$
-(-2 + y)*(2 + y)