Quadratic equation

Quadratic equation 7x2+bx+c=0

has roots x1 = 67 and x2 = -84. Calculate the coefficients b and c.

Correct answer:

b =  119
c =  -39396

Step-by-step explanation:

c=767(84)=39396  7x2+119x39396=0 

Did you find an error or inaccuracy? Feel free to write us. Thank you!

Tips for related online calculators
Are you looking for help with calculating roots of a quadratic equation?
Do you have a linear equation or system of equations and are looking for its solution? Or do you have a quadratic equation?

You need to know the following knowledge to solve this word math problem:

Related math problems and questions: