Question

$x + \sqrt{x \: + 10} + 4 = 0$


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Answer 1

Answer:

x=-6

Step-by-step explanation:

root x+10= -x-4

x+10=x^2+8x+16

x+10-x^2-8x-16=0

-7x-6-x^2=0

-x^2-7x-6=0

x^2+7x+6=0

x^2+6x+x+6=0

x(x+6)+x+6=0

(x+6)(x+1)=0

x+6=0

x+1=0

x=-6

x=/-1

x=-6