Question

Obtain a quadratic equation whose roots are -3 and -7​

Answer 1

Answer:

Step-by-step explanation:

as the general form of quadratic equation is k[ x^2-(a+b)x+ab]

a=-3 b=-7

k=I

x^2-(-3-7)x+-3 x -7

therefore the quadratic equation is x^2+10x+21