How do you factor (a^2+1)^2 -7(a^2+1)+10 ?
Hello. I'm having a bit of pre-cal trouble. How would you factor the following:
(a^2+1)^2 -7(a^2+1)+10
Also, if there's any tips you can give I would greatly appreciate it.
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(a^2 + 1)^2 - 7(a^2 + 1) + 10
Let x = a^2 + 1
x^2 - 7x + 10
(x - 2)(x - 5)
(a^2 + 1 - 2)(a^2 + 1 - 5)
(a^2 - 1)(a^2 - 4)
(a - 1)(a + 1)(a - 2)(a + 2)