How do you factor (a^2 +1)^2 - 7(a^2 +1) +10(a2+1)2−7(a2+1)+10?
2 Answers
Explanation:
Let
so the eqn is
now,
Again,
Explanation:
Let
Replacing
We can simplify to get:
Each of these is a difference of squares, so we can finish with: