Question

quadratic equation

Answer 1

\[x^2+2x-15=0\]

Answer 2

Try factoring. What 2 numbers when added =2 and when multiplied =-15?

Answer 3

ohh okay so it would be (x+5) (x-3) ?

Answer 4

Yes, and so "x" would equal?

Answer 5

x=-5 and x=3

Answer 6

Very good. You did that quite well.

Answer 7

thanks so much :)

Answer 8

u r welcome