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KIM [24]
3 years ago
11

Find the sum and product of the roots. 3x^ 2 - 4x - 7 = 0

Mathematics
1 answer:
victus00 [196]3 years ago
6 0
Given the quadratic function, to get the roots we factorize:
3x²-4x-7=0

3x²+3x-7x-7=0
3x(x+1)-7(x+1)=0
(3x-7)(x+1)=0
thus the roots are
x=-1 or x=3/7
thus the sum of the roots will be:
-1+3/7
=-4/7
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