Question

resolver a equação do 2° :2x*-200=0

Answer 1

a=2 b=0 c=-200
Delta=0²-4.2.(-200)
Delta=1600

X=$\frac{-0+- \sqrt{1600} }{2.2}$

X¹=$\frac{+40}{4}$=10
X²=$\frac{-40}{4}$=-10
S={10,-10}

Answer 2

2x² - 200 = 0
2x² = 200
x² = 200/2
x² = 100
x = √100
x = + 10 e x = - 10