Examples Of Solving Quadratic Equations Using Quadratic Formula...., Need Help..., Thanks
Examples of solving quadratic equations using quadratic formula....
need help...
thanks
Answer:
x²+10x+9=0
a=1 b=10 c=9
x=-10√(10)²-4(1)(9)
2(1)
-10√100-36
2
-10±64
2
x=-10±8
2
x=-5±4
xsub1=-5+4=-1
xsub2=-5-4=-9
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