Answer:
x=-b+/-sqrt b^2-4ac/2a
1) x=-2 or x=7/2
2) x=-2/3 or x=5
3) x=-4/3 or x=2/3
4) x=-5 or x=-3/2
5) x=-2 or x=-3/2
6) x= -3/2 or x=-1/2
7) x= -7 or x=4
8) x= -3 or x=3
9) x=-2 or x=0
10) x= -3 or x=4
11) x= -1/3 or x=-1/4
12) x= -5/2 or x= 6/5
Explanation:
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