Neshnicole
Neshnicole Neshnicole
  • 11-07-2016
  • Mathematics
contestada

Solve each quadratic equation. Show your work.x^2 + 3x = 10

Respuesta :

apologiabiology
apologiabiology apologiabiology
  • 13-07-2016
minus 10 both sides
x^2+3x-10=0
factor, find what 2 number multiply to get -10 and add to get 3
-5 and 2
(x-5)(x+2)=0
set equal to zero

x-5=0
x=5

x+2=0
x=-2

x=-2 and 5
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