graceGlMindnor
graceGlMindnor graceGlMindnor
  • 08-02-2016
  • Mathematics
contestada

Find the product mentally.
(z - 12)(z + 12)

Respuesta :

Leader
Leader Leader
  • 08-02-2016
(a-b)(a+b) = a² - b²

(z-12)(z+12) = z² - 12² = z² - 144

Your final answer is z² - 144.
Answer Link

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