Question

7x2+7x=0?, me ajuuda gentee

Answer 1

7x² + 7x = 0 simplifica por 7
x² + x = 0

bhaskara
b² -4ac
1² -4.1.0
1 - 0
1=Δ

-b+/-√Δ/2a
-1 +/- √1/2.1
-1 +/- 1 / 2

x1 = -1+1/2 = 0/2 = 0
x2 = -1-1/2 = -2/2 = -1

Answer 2

7x2+7x=o
14+7x=0
21x=0
X=21