Answer:
Both of these
Step-by-step explanation:
15 - 3 is 12
15 + (-3) is also 12
64
x= 5/2, x= -3
4x^2+2x-30=0; Factor that without the 0. Then you get 2 (2x-5) (x+3)=0.
2x-5=0 x= 5/2
x+3=0 x= -3
Hope this helps! :D
