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.

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

X
Y
123456789101112131415
1# # I S A A C N E W T O N # #
2( # # # # # # # # # # # # # #
3A R C H I M E D E S # # T # H
4+ T # # L A N O I T A R # # I
5B # P # # # # # # # E # # R P
6) # # U # # # # # B # # R # P
7( # # # G # # # L # # A # # O
8B # # # # A # I # # T # # # C
9- # # # # # H # N I # # # # R
10B # # # # D # M O T # # # # A
11) # # # I # # N A # E # # # T
12# # # V # # A # # R # G # # E
13# # A # # L # # # # B # E # S
14# D # # # # # # # # # # # R #
15# # # # # # # # # # # # # # S
Word X Y Direction
(A+B)(B-B)  13s
ARCHIMEDES  13e
BRAMHAGUPTA  1113nw
DAVIDHILBERT  88ne
HIPPOCRATES  153s
INTEGERS  88se
IRRATIONAL  154sw
ISAACNEWTON  31e
RATIONAL  124w