Can't see the image?
Original post by Sha.xo527
Image and question below
This is the solution:
All good until *something* was done to the fraction to make it (k + 1)(3k +8)/(k +2)(k +3). What was done?
Original post by mqb2766
looks like a typo. The + should be =
Oh yeah I understand that, but I don’t know why/how it equals (k + 1)(3k +8)/(k +2)(k +3)
Original post by Sha.xo527
Oh yeah I understand that, but I don’t know why/how it equals (k + 1)(3k +8)/(k +2)(k +3)
You want to cancel a (k+1) factor, so have you tried to factorise the numerator?
numerator(-1)
equals zero so it should factorise.
(edited 6 months ago)
Original post by mqb2766
You want to cancel a (k+1) factor, so have you tried to factorise the numerator?
numerator(-1)
equals zero so it should factorise.
numerator(-1)
equals zero so it should factorise.
Teachers don't use the word 'cancel' - we simplify ...
Original post by mqb2766
You want to cancel a (k+1) factor, so have you tried to factorise the numerator?
numerator(-1)
equals zero so it should factorise.
numerator(-1)
equals zero so it should factorise.
Thank you! Figured it out
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