Question

en la ecuación x(x+1)-(4-x)(x+1=6 (4-x) el coeficiente a vale:​

Answer 1

${x}^{2} + x - 4x - 4 + {x}^{2} + x = 24 - 6x$

$2 {x}^{2} + 4x - 28 = 0$