Question

20+t-t^2=0

(please do middle term splitting )
the best answer will be marked as brainliast.​

Answer 1

Answer:

t^2-t-20=0

t^2-4t+5t-20=0

t(t-4)+5(t-4)=0

t=4

t=-5

Answer 2

Answer:

As it is Quadratic Equation it has two roots:-t=-4 t=5

Step-by-step explanation:

-t^2+t+20=0

---:   -t^2 + 5t -4t +20

---:    -t (t-5) -4(t-5)

----:     (-t-4)(t-5)

Equating with 0:-

t=-4

t=5

Hope it helped :))

HAPPY LEARNING!!