mathdad
Full Member
- Joined
- Apr 24, 2015
- Messages
- 737
Factor completely.
4 - 14x^2 - 8x^4
Solution:
What about dividing each term by 2?
2 - 7x^2 - 4x^4
Let u = x^2
Let x^4 = (x^2)^2
2 - 7u - 4u^2
Remaining Steps:
1. Factor by grouping
2. Back-substitute for u
Both steps above should lead me to the answer. Do you agree?
4 - 14x^2 - 8x^4
Solution:
What about dividing each term by 2?
2 - 7x^2 - 4x^4
Let u = x^2
Let x^4 = (x^2)^2
2 - 7u - 4u^2
Remaining Steps:
1. Factor by grouping
2. Back-substitute for u
Both steps above should lead me to the answer. Do you agree?