Question

Factorise:-
$- 5 - 10t + 20t ^{2}$
please answer me fast​

Answer 1

Answer:

let’s take HCF of above equation.

By taking 5 as a common factor for the above equation

we get,−5−10t+20t

2

=5(4t

2

−2t−1)

Step-by-step explanation:

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Answer 2

Answer:

Factorise

Step-by-step explanation:

let’s take HCF of above equation.

By taking 5 as a common factor for the above equation 

we get,−5−10t+20t2=5(4t2−2t−1)