Question

1. The expression x^
- 21x + 20 is factorised as​

Answer 1

Answer:

Hey mate! Here's your answer:

Step-by-step explanation:

x² - 21x + 20

x² - x - 20x + 20

x(x - 1) - 20(x - 1)

(x - 20)(x - 1).

So x² - 21x + 20 is factorised as (x - 20)(x - 1).

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Answer 2

Answer:

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