Find the values of a and b from the quadratic equation 2x² - 5x + 7 = 0.
Answers
Answered by
4
Answer:
a=2 and b= -5
Explanation:
2x²-5x+7 =0
Comparing the above equation with ax²+bx+c=0
a=2 and b= -5 and c= 7
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Answered by
1
Explanation:
Is a quadratic equation.
2x² - 5x + 7 = 0.
-2x² +5x -7=0
-2x² + (7-2)x-7 =0
-2x² + 7x-2x-7 =0
-x(2x+7)-1(2x+7)
(2x+7)(-x-1)
2x+7 =0
x=7/2
(-x-1) =0
-x=1
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