tjsimon1976 tjsimon1976

20-09-2017
Mathematics

contestada

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

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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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