Question

qual e a raiz de 2x²+24x+72=0

Answer 1

2x² +24x +72 =0
Δ= b² - 4 ac
Δ= 24² - 4.2.72
Δ= 576 - 576
Δ=0

x=-b +/- √Δ / 2a
x= -24 +/- √0 / 2.2
x'= -24 / 4
x'= -6

x''= -6 

Bons estudos!

Answer 2

2x²-72=0
2x²=72
x²=72/2
x²=36
x²=√36
x²= +- 6