Question

Ache a raiz da equaçao
2x²+8x-24:0

Answer 1

2x²+8x-24=0  (formula de bhaskara)

-b+-√b²-4ac
-8+-√64-4.2.-24/4
-8+-√256/4
-8+-16/4
x'=-8+16/4=8/4=2
x''=-8-16/4=-24/4=-6

as raizes da equação são 2 e -6