4 × 5 - 8 × 1
= 20 - 8
= 12
Answer:
One hour and fourty five minutes.
Answer:
Step-by-step explanation:
The expression that we have to factorize in this problem is
And we have to factorize it by grouping.
First of all, we start by factorize a factor from the first two terms, we get:
Then we factorize a term -3 from the last two terms, and we get:
Now we can group the similar terms, and we get:
So the correct option is option D, the last one.