Question

simplify (x^2+x+1) (x^2-x+1) using identities
ID1:-(a+b)^2=a^2+2ab+b^2
ID2.:-(a-b) ^2=a^2-2ab+b^2
ID3:-a^2-b^2=(a+b)(a-b)
ID4:-(x+a) (x+b) =x^2+(a+b)x+ab​

Answer 1

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Step-by-step explanation:

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