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The roots in the equation x^2+bx+c=0\\ are -4 and 2. Find b

The roots in the equation x^2+bx+c=0\\ are -4 and 2. Find b
asked 82.0k views
4 votes
The roots in the equation
x^2+bx+c=0\\ are -4 and 2.
Find
b

asked
User Mrshickadance
by
8.4k points

1 Answer

1 vote
we know b = sum of the two roots
= -4 + 2
= -2
therefore b = -2
answered
User Tovah
by
8.2k points
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