Question

Xsquare+px+4=0and x squar +px+q=0 has equal root -4 find p and q​

Answer 1

Answer:

Step-by-step explanation:

X²+PX+4=x²+PX+q

(-4)²+p(-4)+4=(-4)²+P(-4)+q

16-4p+4=16-4p+q

20-4p=16-4p+q

20-4p+4p-16=q

4=q

Now putting q in eq 2

(-4)²+-4p+4=0

20=4p

P=5