Question

me pueden ayudar ? 10x al cuadrado +x+1=-8x-1

Answer 1

Solución

10x²+x+1=-8x-1
10x²+x+8x= -1-1
10x²+9x= -2
10x²+9x+2=0
10x²+9x+20=0
[(10x+5)(10X+4)] / 10 = 0
[5(2x+1)2(5x+2)] / (5)(2) = 0
2x+1 <> 5x+2
x = -1/2 <> x = -2/5

Saludos...