Question

3X²+kx+5=0;x= -5by 3

و به​

Answer 1

Answer:

3x²+kx+5 =0

x= -5/3

3(-5/3)²+k(-5/3) +5 =0

3(-25/9) -5/3k +5 =0

-25/3-5/3 k +5=0

5/3k = (-25+15)/3

5/3k = -10/3

k = -10/3*3/5

k = -2