Question

Please help! Find the solution of the following quadratic equation by factoring:
2x^2=7x+15*
The solutions are:
a. -5/2 or 3
b. -3/2 or 5
c. 5/2 or -3
d. 3/2 or -5

Answer 1

b. -3/2 or 5

Answer 2

Can you please tell me how you got the answer?

Answer 3

2x^2-7x-15 =0
discriminant = 169
use the quadratic formula:
x = (-b+-sqrt 169)/2a
and you get the results

Answer 4

a=2, b =-7, c=-15

Answer 5

Oh o.k. Thanks for the explanation