Answer:
1) x²+10=0
a=1 b=0 c=10
2) x²+3x-10=0
a=1 b=3 c=-10
3) x²-9=0
a=1 b=0 c= -9
4) x²+x-12=0
a= 1 b=1 c=12
5)x²+4x+3=0
a=1 b=4 c=3
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Answer:
1) x²+10=0
a=1 b=0 c=10
2) x²+3x-10=0
a=1 b=3 c=-10
3) x²-9=0
a=1 b=0 c= -9
4) x²+x-12=0
a= 1 b=1 c=12
5)x²+4x+3=0
a=1 b=4 c=3