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Use suitable identity and find the product of: (2a-7)(2a-7)
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Use suitable identity and find the product of:
(2a-7)(2a-7)

User Crenate
by
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1 Answer

8 votes


\\ \sf\longmapsto (2a-7)(2a-7)


\\ \sf\longmapsto (2a-7)^2

  • (a-b)^2=a^2+b^2-2ab


\\ \sf\longmapsto 2a^2-2(2a)(7)+49


\\ \sf\longmapsto 4a^2-28a+29

User Justjoe
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