Question

- If one root of the following quadratic equation is 4, then find the value of p:
3x² + px - 4 = 0​

Answer 1

Answer:

-12 is the answer

Step-by-step explanation:

put x=4

3×4^2+p×4=0

3×16+p×4=0

48+p×4=0

p=-48/4

p=-12