Answer:
The roots are
, which is given by option C.
Step-by-step explanation:
Solving a quadratic equation:
Given a second order polynomial expressed by the following equation:
.
This polynomial has roots
such that
, given by the following formulas:



In this question, we have that:

Which is a quadratic equation with
. So



So the roots are
, which is given by option C.
In this case, the answer would be 10(a+b). We are multiplying 10 * a + b. Hope this helps you and satisfies your query. Feel free to ask more questions.
Answer:
I don't see methmetical calculation
It’s 80 km per hour if that’s what you’re looking for
Answer:
x = 3 "1" blocks
Step-by-step explanation: