Question

P(x)=x3−5x2−4x+20
factor this polynomial

Answer 1

\[P(x) = x ^{3} - 5x ^{2} - 4x + 20 = x ^{2} (x - 5) - 4x + 20 = x ^{2}(x-5) - 4(x - 5)\]
\[P(x) = (x ^{2} - 4)(x-5) = (x-2)(x+2)(x-5)\]

Answer 2

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