gvia17644 gvia17644

28-04-2020
Mathematics

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lazirlufias lazirlufias

28-04-2020

Answer:

[tex]7(2+x)(2-x)[/tex]

Step-by-step explanation:

observe

[tex]28-7x^2=7(4-x^2)=7(2+x)(2-x)[/tex]

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