I think that this is just showing how you can make different percentages by multiplying/dividing by specific numbers.
what do you need help with
Answer:
<h3>
6-16y</h3>
Step-by-step explanation:
Hello!
apply distributive law

2(3-8y)=2.3-2.8y
=6-16y
Hope it helps!
Ok, so the quadratic coefient is 1, so great
take 1/2 of the linear coefient and square it
10/2=5, (5)^2=25
add that to both sides
x^2+10x+25=7+25
factor perfect square trionomial
(x+5)^2=32
squaer root both sides
x+5=+/-4√2
minus 5
x=-5+/-4√2
x=-5+4√2 and -5-4√2