tjsimon1976
tjsimon1976 tjsimon1976
  • 20-09-2017
  • Mathematics
contestada

What is the factored form of the expression? 4x2 – 81y2

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Redwings
Redwings Redwings
  • 20-09-2017
It cant be factored , that us the factored form
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adaobi189 adaobi189
  • 20-09-2017
It can be factor.
4x^2-81y^2
(2x)^2-(9y)^2
(2x-9y)(2x+9y).
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