Question

please answer this questions....​

Answer 1

Answer:

-(-7)±√(-7)²-4(2)(-15)/2(2)

7±√49+120/4

7±√169/4

7±13/4

i)7+13/4=20/4=5

ii)7-13/4=-6/4=-3/2

the roots of the given equation is 5,-3/2

Answer 2

Answer:5, -3/2

Step-by-step explanation:

-(-7)± √(-7)²-4(2)(-15)/2(2

7+√49+120/4

7+√169/4

7+13/4

i)7+13/4=20/4=5

ii) 7-13 / 4 = -6 / 4 = -3 / 2

the roots of the given equation is 5,-3/2