christianrobinson29
christianrobinson29 christianrobinson29
  • 12-04-2021
  • Mathematics
contestada

x^2 - 9x = x + 24 solve for x

Respuesta :

jimrgrant1 jimrgrant1
  • 12-04-2021

Answer:

x = - 2, x = 12

Step-by-step explanation:

Given

x² - 9x = x + 24 ( subtract x + 24 from both sides )

x² - 10x - 24 = 0 ← in standard form

(x + 2)(x - 12) = 0 ← in factored form

Equate each factor to zero and solve for x

x + 2 = 0 ⇒ x = - 2

x - 12 = 0 ⇒ x = 12

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