Question

HELP?

Answer 1

perfect squares

\[(x-a)^2= x^2 - 2ax+a^2\]

2nd problem- completing the squares

Answer 2

add/subtract something in order to create a perfect square

Answer 3

@goldyyy you there?

Answer 4

oh yes

Answer 5

\[x^2 - 10x + 25 = 9 \]
SUBTRACT 9 FROM BOTH SIDES
<what would it be?>

Answer 6

x^2 - 1x +16 = 9?????

Answer 7

x^2 - 10x + 25 = 9
SUBTRACT 9 FROM BOTH SIDES.

x^2 - 10x + 25 = 9
-9 -9
---- ----
x^2 - 10x + 16 = 0

Answer 8

you can not do:
-10x - 9?