Question

1. Factor
x2 – 14x + 49

3. Factor completely.

4u2 – 20u + 25

2. What is the greatest common factor for 12xy + 16x + 20y ?

Answer 1

@iGreen

Answer 2

you should use this identities
(a+b)^2=a^2+2ab+b^2
(a-b)^2=a^2-2ab+b^2

Answer 3

?

Answer 4

for example:(x+5)^2=x^2+10x+25

Answer 5

I only have 5 minutes left on my test

Answer 6

for example:x^2-16x+64=(x-8)^2

Answer 7

:?

Answer 8

x^2-14x+49=x^2-2*7x+7^2