Question

12x+15-3x² please tell me urgent​

Answer 1

Answer:

x=5

x=-1

Step-by-step explanation:

Hope it helps u......

Answer 2

Answer:

-3x²+12x+15=0

-3x²-3x+15x+15=0

-3x(x+1)+15(x+1)=0

(-3x+15)(x+1)=0

-3x+15=0 and x+1=0

-3x=-15    and x=-1

x=15/3     and x=-1

x=5,-1

HOP EIT HELPS U:)