​​if f(x+2)=x2+6x-3 then find f(x)

Dear student
Given:fx+2=x2+6x-3=x2+6x+9-9-3=x+32-12=x+2+12-12So, fx+2=x+2+12-12So, fx=x+12-12=x2+1+2x-12=x2+2x-11So, fx=x2+2x-11
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