First figure out what 851 minutes 473 equals to, which is 378
So both sides of the equation should equal to 378
Plus 470 and 378 together
Which equals to 848
So the answer is eight hundred and forty eight
Answer:
3rd one
Step-by-step explanation:
According to Vieta's Formulas, if

are solutions of a given quadratic equation:
Then:
is the completely factored form of

.
If choose

, then:

So, according to Vieta's formula, we can get:

But

: