factorise X raise to power 4 + 4 x square + 3
Answers
Answered by
3
Answer:
Let x² = a.
Then,
The expression = a² +4a +3
= a² +3a +a+3
= a(a+3)+1(a+3)
= (a+3)(a+1)
= (x² +3) (x² +1)
Step-by-step explanation:
Similar questions