The factored expression of the polynomial is (4 - x)(5 + x)
The polynomial expression is given as;
20 - x - x^2
Expand the expression
20 - 5x + 4x - x^2
Factorize the expression
5(4 - x) + x(4 - x)
Factor out 4 - x
(4 - x)(5 + x)
Hence, the factored expression of the polynomial is (4 - x)(5 + x)
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