Question

f(x) = -2x² - 16x
alguem me socorre k

Answer 1

-2x²-16x=0
-2x(x+8)=0
-2x=0
x=0/-2
x=0
x+8=0
x=0-8
x=-8
2 valores de x 0 e -8
s={0,-8}

Answer 2

-2x²-16x=0
-2x(x+8)=0
-2x=0
x=0/-2
x=0
x+8=0
x=0-8
x=-8
2 valores de x 0 e -8
s={0,-8}

acho que é assim