Question

xcuadrada / 100 + x - 56 = 0

Answer 1

creo que es:
x²/100 + x - 56 = 0
x²/100 + x = 56
x²+ x = 56 × 100
x + x = √5600
2x = 74.83
x = 74.83/2
x =  37.41