Zac2 Zac2
  • 27-05-2014
  • Mathematics
contestada

Factor the following equation to solve for "x"; x^{2} - 8x - 20 = 0

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AL2006
AL2006 AL2006
  • 27-05-2014
x² - 8x - 20 = 0

Factor the left side:

(x + 2) (x - 10) = 0

That's a true statement if (x = -2) or if (x= 10), so those are your solutions.

x = -2
x = 10

By the way ... you don't factor an equation. You can only factor an expression.
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