my awesomest math puzzle

(A+B)(B-B)
ARCHIMEDES
BRAMHAGUPTA
DAVIDHILBERT
HIPPOCRATES
INTEGERS
IRRATIONAL
ISAACNEWTON
RATIONAL

it contains all math stuff

Try to find all 9 words on this board.

C C G Q L R R L E B N O O Z S
Y Z A T J N A K M M O P H R Z
X G T G Z N Q U B X T L E U O
S K C R O D G N N T W G S I D
E X B I E K H X O B E A E O Z
T Q T R T B R U I T N V D F N
A A U Q A A L E N B C J E O F
R D A G X M S I B D A R M T Z
C N D N O Z H Q H G A N I H Q
O L L V S U L A U D S A H J E
P J M V G X I G G V I Q C N S
P W U G B W K B B U Q V R B X
I R R A T I O N A L P O A A H
H Z I H Y A H Q D S U T N D Y
F A C I ) B - B ( ) B + A ( Z
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Answer Key for my awesomest math puzzle

X
Y
123456789101112131415
1# # # # # # # L # # N # # # S
2# # # # # # A # # # O # # R #
3# # T # # N # # # # T # E # #
4S # # R O # # # # # W G S # #
5E # B I E # # # # # E # E # #
6T # T R # B # # # T N # D # #
7A A # # A # L # N # C # E # #
8R # # # # M # I # # A # M # #
9C # # # # # H # H # A # I # #
10O # # # # # # A # D S # H # #
11P # # # # # # # G # I # C # #
12P # # # # # # # # U # V R # #
13I R R A T I O N A L P # A # #
14H # # # # # # # # # # T # D #
15# # # # ) B - B ( ) B + A ( #
Word X Y Direction
(A+B)(B-B)  1315w
ARCHIMEDES  1313n
BRAMHAGUPTA  35se
DAVIDHILBERT  88nw
HIPPOCRATES  114n
INTEGERS  88ne
IRRATIONAL  113e
ISAACNEWTON  1111n
RATIONAL  18ne