jasminelilly24 jasminelilly24

17-07-2019
Mathematics

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use the difference of squares identity to write this polynomial in factored form 9x²-49

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jdoe0001 jdoe0001

17-07-2019

[tex]\bf 9x^2-49\implies 3^2x^2-7^2\implies \stackrel{\stackrel{\textit{difference of}}{\textit{squares}}}{(3x)^2-7^2}\implies (3x-7)(3x+7)[/tex]

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