Question

x2-1.4x+0.24=0 por formula general

Answer 1

X=1.4±√(-1.4)²-4(1)(0.24)/2(1)
X=1.4±√1.96-0.96/2
X=1.4±√1/2

X1=1.4+1/2                X2=1.4-1/2
X1=1.2                       X2=0.2