Answer:
You can use equation or use a calculator.
Step-by-step explanation:
25 a² + 20 ab + 4 b²
for formula

find u,v such that: u.v = a
and u+v = b then group according to

=

factor out 5a from :

factor out 2b from :

=

factor out :

=

Refine:

hope this helps!.
Answer:
b
Step-by-step explanation: she misses 5 shots so her score after is -10
its not a) because 5(-10) = -50
its not c) because there is no negative
its not d) because that would equal -50
Answer:
m = 4
Step-by-step explanation: