Question

Quais as raizes da equaçao (x+5)²=1

Answer 1

$<var> (x+5)^2=1\rightarrow x^2+10x+25=1\rightarrow x^2+10x+24=0</var>$

 

 

$<var>\Delta=10^2-4\cdot1\cdot24=100-96=4</var>$ 

 

 

$<var>x=\frac{-10+-2}{2}</var>$ 

 

S={-6,-4} 

Answer 2

 Olá (x+5)²=1

Produto notavéis o quadrado da soma de dois termos

(x+5)²=1

x²+2*x*5+5²=1

x²+10x+25-1=0

 

x²+10x+24=0

 

 

S={ -6 , -4 }