2 years ago

Factor x2 – 19x – 20 completely.

Mathematics

1 answer:

Naddik [55]2 years ago

6 0

Answer:

Step-by-step explanation:

x^2-19x-20

=x^2-(20-1)x-20

=x^2-20x+x-20

=x(x-20)+1(x-20)

=(x-20)(x+1)

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