Answer:
The sum of the roots is 0.5
Step-by-step explanation:
<u><em>The correct question is</em></u>
What is the sum of the roots of 20x^2-10x-30
we know that
In a quadratic equation of the form
The sum of the roots is equal to
in this problem we have
so

substitute
<u><em>Verify</em></u>
Find the roots of the quadratic equation
The formula to solve a quadratic equation is equal to


substitute





The roots are x=-1 and x=1.5
The sum of the roots are
----> is ok
both the surface areas of the green and blue figures?
20/5 and -20/-5 are equivalent
Answer: x+8
The term 'sum' means 'result of adding two (or more) numbers or expressions'.
Answer:
2x
Step-by-step explanation: