formula method 2x^-9x+7=0
Answers
Answered by
0
Answer:
a =2 , b = -9, c=7
b2-4ac = 81-56
=25
x = -b+or _ root ober b2-4ac ÷2a
=9+5÷4 or 9-5÷4
=14÷4, 1
3.5 or 1
Answered by
1
Step-by-step explanation:
2x²-9x+7=0
a=2,b= -9, c =7
X= ( -b±√b²-4ac) /2a
=(9±√81-56)/4
=9±√25/4
=9±5/4
=9+5/4 or 9-5/4
=14/4 or 4/4
=7/2. Or 1
VENOM!
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