factorise the following: p^2-25p+84
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Question
factorise the following: p²-25p+84
Answer
- First we will make the factors of 25
- ⇒p² - 4p - 21p + 84
- Now we will take common
- ⇒p(p - 4) - 21(p - 4)
- ⇒(p - 21)(p - 4) Ans
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