Question

c) x + 10
(x-4)
x+4

Answer 1

Resposta:

x+10=20

x+4

x+10=20 ,x≠-4

(x+10)x(x+4)= 20

(x+10)x(x+4)-20=0

x² +14x + 20 = 0

x=-14+√14²- 4×1×20

2x1

x=-14+√196-80

2

X =- 14+√116

2

x=-14+2√29 2

2

x=- 14+2√29

2

-14-2√29

2

x=-7+√29

x=-7-√29

Resposta: x=-7-√29,x=-7+√29

¹. ²

C) X+10(X-4)X+4=

x+10 (x-4)x+ 4

2 x + 10x40x +4

2 -39x + 10x +4

Resposta= 10x - 39x + 4

Explicação passo-a-passo:

Reposta :x=-7-√29,x=-7+√29

¹. ²

Reposta:10x - 39x + 4