Certainly you wanted (t/(t+1))^2-(t/(t+1))-12=0
which will appear rendered as .
Multiply the left (and right) sides by which is the common denominator. You will have a quadratic equation, which you will simplify into general form or possibly be able to factorize.
Let a =
Then becomes:
(a - 4)(a + 3) = 0
a - 4 = 0 OR a + 3 = 0
a = 4 OR a = - 3
------- Substituting 4 for a
4(t + 1) = t ------ Cross-multiplying
4t + 4 = t
4t - t = - 4
3t = - 4 ------- Substituting - 3 for a
- 3(t + 1) = t ----- Cross-multiplying
- 3t - 3 = t
- 3t - t = 3
- 4t = 3