Question

factorise by grouping method a^4-2a^3-4a+8​

Answer 1

Answer:

Step-by-step explanation:

we have to factorize : a^4 - 2a^3 - 4a + 8

now , we have to make pair of ;

a^4 - 2a^3 and -4a + 8

now , factorize

a^3(a - 2)  -4 (a - 2)

(a^3-4) (a - 2)

or

(a - 2) (a^3 - 4)

Answer 2

Answer:

hii dear mate here your answer

Step-by-step explanation:

❤ Hope it will help ❤