Please tell how to factorize the given polynomial

Dear Student,

Put x=a2-3a=x(x+7)+10=x2+7x+10=x2+5x+2x+10=(x+5)(x+2)=(a2-3a+5)(a2-3a+2)=(a2-3a+5)(a2-2a-a+1)=(a2-3a+5)(a-2)a-1

Regards!

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This is a trinomial as there are 3experssion
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What are you looking for?