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.

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

X
Y
123456789101112131415
1# # N # # # # # # # # # # # #
2H # O # # # # # # # # # B # #
3I # T # I # # # # # # R # # #
4P # W R # R # # # # A S # # #
5P # E # E # R # # M # R # # #
6O # N # # B # A H # # E # # #
7C # C # # # L A T # # G # # #
8R # A # # # G I # I # E # # #
9A # A # # U # # H # O T # # #
10T # S # P # # # # D # N # # #
11E # I T # # # # # # I I A # #
12S ( A + B ) ( B - B ) V # L #
13# # # S E D E M I H C R A # #
14# # # # # # # # # # # # # D #
15# # # # # # # # # # # # # # #
Word X Y Direction
(A+B)(B-B)  312e
ARCHIMEDES  1313w
BRAMHAGUPTA  132sw
DAVIDHILBERT  88nw
HIPPOCRATES  12s
INTEGERS  1211n
IRRATIONAL  53se
ISAACNEWTON  311n
RATIONAL  75se