Make the denominator into 10x:
5x/10x +20/10x=x(x+4)/10x
5x+20=x(x+4)
5x+20=x²+4x
x²-x-20=0
(x-5)(x+4)=0
x=5 or -4
the third choice is correct.
Answer:
hows your day
Step-by-step explanation:
ill give your brain lets' back
Yes, there was a mistake in applying the distributive property. If you have to perform

you have to multiply both terms in the parenthesis by 3, not just the first one.
So, the correct expansion would be

Answer:
25% chance
Step-by-step explanation:
9 green ones in the bag. 9/36=0.25%
Answer:
1. 43.98
2. 28.27
3. 7.85
Step-by-step explanation: