Question

forma reduzida e indentificação dos coeficientes a,b e c da equação de segundograu
(x+1)² + (x-2)² = 4

Answer 1

$(x+1)^2 + (x-2)^2 = 4\\\\\\ x^{2} +x+x+1+ x^{2} -2x-2x+4=4\to \\\\\\\ x^{2} +x+x+1+ x^{2} -2x-2x+4-4=0\to \\\\\\ 2 x^{2} -2x+1=0\\\\\\ a=2\\\\b=-2\\\\ c=1$