Find the non-extraneous solutions of the square root of the quantity x plus 9 minus 5 equals quantity x plus 4

I"m guessing you mean

add 5 to both sides

square both sides
x+9=x²+18x+81
minus x+9 both sides
0=x²+17x+72
factor
what 2 numbres multiply to get 72 and add to get 17?
8 and 9
0=(x+8)(x+9)
set to zer

0=x+8
x=-8

x+9=0
x=-9

test each



1-5=-4
-4=-4
true



-5=-5
true

the solutions are x=-9 and -8

How much is 32 out of 40 written as a percentage? convert fraction (ratio) 32 / 40 answer:   80%

Ibelieve it’s b? hopefully