Question

X*2 + 5x/2 - 3/2 = 0

Answer 1

Resposta:

$x^{2}+\frac{5x}{2}-\frac{3}{2}=0\\\frac{(2*x^{2})+(1*5x)-(1*3)=0}{2}\\2x^{2}+5x-3=0\\(2x-1)*(x+3)=0\\2x-1=0\\2x=1\\x=\frac{1}{2}\\\\x+3=0\\x=-3\\\\S(\frac{1}{2},-3)$

Explicação passo-a-passo: