Question

5t2-20t-25 solve this in brief​

Answer 1

Answer:

I am considering this polynomial as equation for solving, i.e,

5t^2-20t-25=0,

=>5t^2-25t+5t-25=0,

=>5t(t-5)+5(t-5)=0,

=>(5t+5)(t-5)=0,

then,

5t+5=0,

=>t=-1.

(or)

t-5=0,

=>t=5.

therefore, t will be either 5 or -1