Find the sum and product of the roots of the quadratic equation 4x ^ 2 + 3x + 7 = 0 .
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Answer:
4x² + 3x + 7 = 0
4x² + 7x - 4x + 7 = 0
x(4x + 7) - 1 (4x + 7) = 0
(4x + 7) (x - 1) = 0
4x + 7 = 0 , x - 1 = 0
x = 7/4 , x = 1 .
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Step-by-step explanation:
Here a=5,b=−2,c=−7
Sum of the roots=
a
−b
=
5
−(−2)
=
5
2
Product of the roots=
a
c
=
5
−7
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