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  • 31-08-2016
  • Mathematics
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what is the product of the 2 solutions of the equation x^2+3x-21=0?

what is the product of the 2 solutions of the equation x 2+3x-21=0? class=

Verified Answer :

dalendrk
dalendrk dalendrk
  • 31-08-2016

\(x^2+3x-21=0\\\\a=1;\ b=3;\ c=-21\\\\x_1x_2=\dfrac{c}{a}\\\\x_1x_2=\dfrac{-21}{1}=-21\)

Answer: B. -21

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