bigsisterfun bigsisterfun
  • 19-10-2020
  • Mathematics
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PLS HELP ME 25 POINTS
The roots of the equation x^2+bx+c=0 are −4 and 2. Find b.

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jennapalmerr
jennapalmerr jennapalmerr
  • 19-10-2020
(x+4)(x-2) FOIL the roots
x^2 + 2x - 8
a = 1
b = 2
c = -8
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