is there a value to y? if not, this is what I got:
Y^2 + 2y + 3
Every triangle angles add up to 180.
So because one angle is 90 degrees you would subtract it from 180 to get 90 and then divide it by two which is 45 degrees.
Hope this helps, have a nice day! :)
Answer:
what whats the question so I can answer
The expression
is equal to
.
<h3>
How to simplify a composite algebraic expression</h3>
In this question we must use properties of <em>real</em> algebra to simplify a given expression as most as possible. We proceed to show each step with respective reason.
Given

Distributive property/
Existence of the multiplicative inverse/Modulative property
Distributive property/
/Result
To learn more on algebraic expressions, we kindly invite to check this verified question: brainly.com/question/953809