smilevaughan smilevaughan
  • 27-03-2019
  • Mathematics
contestada

Which equation yields the solutions x=−2 and x=5?

Respuesta :

brantleybclark brantleybclark
  • 27-03-2019

Answer:

Step-by-step explanation:

Well first what is the equation?

Answer Link
jimrgrant1 jimrgrant1
  • 27-03-2019

Answer:

 x² - 3x - 10 = 0

Step-by-step explanation:

Given there are 2 solutions then the equation is a quadratic.

Since the solutions are x = - 2 and x = 5 then

the factors are (x + 2) and (x - 5) and

f(x) = (x + 2)(x - 5) ← expand factors

     = x² - 3x - 10, hence the equation is

x² - 3x - 10 = 0

Answer Link

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