Answer:
Its B. Hope it helps! <3
Answer: uuf, hard
Step-by-step explanation: SORRY, DON'T KNOW
simple , isn't it? try to learn
2x²+5x-9=0
using quadratic formula
a=2 b=5 c=-9
x=[-5±√5²-4(2)(-9)]/2(2)
x=[-5±√97]/4
the zeros are( -5±√97)/4
the number --4
Step-by-step explanation:
-7--4=-3
-3--4=1
1--4=5
5--4=9