Question

factorise by grouping method a4 - 2a³- 4a +8​

Answer 1

Answer:

this is answer of your question.

Answer 2

Answer:

=${a}^{4} - 2{a}^{3} - 4a + 8$

=${a}^{3}(a - 2) - 4(a - 2)$

=$( {a}^{3} - 4)(a - 2)$