Question

n^2+1n+1272 .factorise the following​

Answer 1

Answer:

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Answer 2

Answer:

Step-by-step explanation:You want that I should factorize this: 

Let .  is the coefficient of ,  is the coefficient of , and  is the constant. 

Find out two numbers that multiply to give  and add to give . 

Here,  and . 

So, in other words, we have to find two numbers that multiply to give -2544 and add to give 5 (or +5). 

Find out the factors of 2544. 

1 × 2544

2 × 1272

3 × 848

4 × 636

6 × 424

8 × 318

12 × 212

16 × 159

24 × 106

48 × 53

Now, check. It seems that if we add -48 and 53, we get five. 

(-48) × 53 = -2544 (= ac)

-48 + 53 = 5 (=b)

∴ The two numbers are -48 and 53. 

Now, in the given polynomial, suppose that 5n is the midde term. Break the middle term into two parts, such that their coefficients should be -48 and 53 and their variable should be the same, i.e., n. 

Now, see these steps to understand. 

FACTORIZATION DONE !!!

If you are not able to understand anything, ask me in the comments. 

Hope this may help you.