Answer:
1.) x²+9x+20=0
a=1 , b=9 , c=20
2.) 3x²+11x+6=0
a=3 , b=11 , c=6
3.) x²-6x+5=0
a=1 , b= -6 , c=5
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Answer:
1.) x²+9x+20=0
a=1 , b=9 , c=20
2.) 3x²+11x+6=0
a=3 , b=11 , c=6
3.) x²-6x+5=0
a=1 , b= -6 , c=5