Răspuns:
9x²+6x+1=6x+18√2+28 ; 9x²+6x-6x=18√2+28-1 ; 9x²=18√2+27 ; x²=9(2√2+3)/9 ; x²=2√2+3 ; x²= (√2+1)² ; x=±(√2+1)
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Răspuns:
9x²+6x+1=6x+18√2+28 ; 9x²+6x-6x=18√2+28-1 ; 9x²=18√2+27 ; x²=9(2√2+3)/9 ; x²=2√2+3 ; x²= (√2+1)² ; x=±(√2+1)
Explicație pas cu pas: